Exposure of Sensitive Information to an Unauthorized Actor (4.20) (original) (raw)

CWE Glossary Definition

Weakness ID: 200

Vulnerability Mapping: DISCOURAGED This CWE ID should not be used to map to real-world vulnerabilities
Abstraction:Class Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.

Description

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Extended Description

There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:

private, personal information, such as personal messages, financial data, health records, geographic location, or contact details
system status and environment, such as the operating system and installed packages
business secrets and intellectual property
network status and configuration
the product's own code or internal state
metadata, e.g. logging of connections or message headers
indirect information, such as a discrepancy between two internal operations that can be observed by an outsider

Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:

the product's own users
people or organizations whose information is created or used by the product, even if they are not direct product users
the product's administrators, including the admins of the system(s) and/or networks on which the product operates
the developer

Information exposures can occur in different ways:

the code explicitly inserts sensitive information into resources or messages that are intentionally made accessible to unauthorized actors, but should not contain the information - i.e., the information should have been "scrubbed" or "sanitized"
a different weakness or mistake indirectly inserts the sensitive information into resources, such as a web script error revealing the full system path of the program.
the code manages resources that intentionally contain sensitive information, but the resources are unintentionally made accessible to unauthorized actors. In this case, the information exposure is resultant - i.e., a different weakness enabled the access to the information in the first place.

It is common practice to describe any loss of confidentiality as an "information exposure," but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.

Alternate Terms

Information Disclosure	This term is frequently used in vulnerability advisories to describe a consequence or technical impact, for any vulnerability that has a loss of confidentiality. Often, CWE-200 can be misused to represent the loss of confidentiality, even when the mistake - i.e., the weakness - is not directly related to the mishandling of the information itself, such as an out-of-bounds read that accesses sensitive memory contents; here, the out-of-bounds read is the primary weakness, not the disclosure of the memory. In addition, this phrase is also used frequently in policies and legal documents, but it does not refer to any disclosure of security-relevant information.
Information Leak	This is a frequently used term, however the "leak" term has multiple uses within security. In some cases it deals with the accidental exposure of information from a different weakness, but in other cases (such as "memory leak"), this deals with improper tracking of resources, which can lead to exhaustion. As a result, CWE is actively avoiding usage of the "leak" term.

Information Disclosure

This term is frequently used in vulnerability advisories to describe a consequence or technical impact, for any vulnerability that has a loss of confidentiality. Often, CWE-200 can be misused to represent the loss of confidentiality, even when the mistake - i.e., the weakness - is not directly related to the mishandling of the information itself, such as an out-of-bounds read that accesses sensitive memory contents; here, the out-of-bounds read is the primary weakness, not the disclosure of the memory. In addition, this phrase is also used frequently in policies and legal documents, but it does not refer to any disclosure of security-relevant information.

Information Leak

This is a frequently used term, however the "leak" term has multiple uses within security. In some cases it deals with the accidental exposure of information from a different weakness, but in other cases (such as "memory leak"), this deals with improper tracking of resources, which can lead to exhaustion. As a result, CWE is actively avoiding usage of the "leak" term.

Common Consequences

Section Help This table specifies different individual consequences associated with the weakness. The Scope identifies the application security area that is violated, while the Impact describes the negative technical impact that arises if an adversary succeeds in exploiting this weakness. The Likelihood provides information about how likely the specific consequence is expected to be seen relative to the other consequences in the list. For example, there may be high likelihood that a weakness will be exploited to achieve a certain impact, but a low likelihood that it will be exploited to achieve a different impact.

Impact	Details
Read Application Data	Scope: Confidentiality

Potential Mitigations

Phase(s)	Mitigation
Architecture and Design	Strategy: Separation of Privilege Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

Phase(s)

Mitigation

Architecture and Design

Strategy: Separation of Privilege Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

Relationships

Section Help This table shows the weaknesses and high level categories that are related to this weakness. These relationships are defined as ChildOf, ParentOf, MemberOf and give insight to similar items that may exist at higher and lower levels of abstraction. In addition, relationships such as PeerOf and CanAlsoBe are defined to show similar weaknesses that the user may want to explore.

Relevant to the view "Research Concepts" (View-1000)

Nature	Type	ID	Name
ChildOf	Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.	668	Exposure of Resource to Wrong Sphere
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	201	Insertion of Sensitive Information Into Sent Data
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	203	Observable Discrepancy
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	209	Generation of Error Message Containing Sensitive Information
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	213	Exposure of Sensitive Information Due to Incompatible Policies
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	215	Insertion of Sensitive Information Into Debugging Code
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	359	Exposure of Private Personal Information to an Unauthorized Actor
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	497	Exposure of Sensitive System Information to an Unauthorized Control Sphere
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	538	Insertion of Sensitive Information into Externally-Accessible File or Directory
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	1273	Device Unlock Credential Sharing
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	1295	Debug Messages Revealing Unnecessary Information
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	1431	Driving Intermediate Cryptographic State/Results to Hardware Module Outputs
CanFollow	Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.	498	Cloneable Class Containing Sensitive Information
CanFollow	Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.	499	Serializable Class Containing Sensitive Data
CanFollow	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	1272	Sensitive Information Uncleared Before Debug/Power State Transition

Relevant to the view "Weaknesses for Simplified Mapping of Published Vulnerabilities" (View-1003)

Nature	Type	ID	Name
MemberOf	View - a subset of CWE entries that provides a way of examining CWE content. The two main view structures are Slices (flat lists) and Graphs (containing relationships between entries).	1003	Weaknesses for Simplified Mapping of Published Vulnerabilities
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	203	Observable Discrepancy
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	209	Generation of Error Message Containing Sensitive Information
ParentOf	Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.	532	Insertion of Sensitive Information into Log File

Modes Of Introduction

Section Help The different Modes of Introduction provide information about how and when this weakness may be introduced. The Phase identifies a point in the life cycle at which introduction may occur, while the Note provides a typical scenario related to introduction during the given phase.

Phase	Note
Architecture and Design
Implementation

Applicable Platforms

Section Help This listing shows possible areas for which the given weakness could appear. These may be for specific named Languages, Operating Systems, Architectures, Paradigms, Technologies, or a class of such platforms. The platform is listed along with how frequently the given weakness appears for that instance.

Languages	Class: Not Language-Specific(Undetermined Prevalence)
Technologies	Class: Not Technology-Specific(Undetermined Prevalence) Class: Web Based(Undetermined Prevalence) Class: Mobile(Undetermined Prevalence)

Likelihood Of Exploit

Demonstrative Examples

Example 1

The following code checks validity of the supplied username and password and notifies the user of a successful or failed login.

(bad code)

Example Language: Perl

my $username=param('username');
my $password=param('password');

if (IsValidUsername($username) == 1)
{

if (IsValidPassword($username, $password) == 1)
{

print "Login Successful";

}
else
{

print "Login Failed - incorrect password";

}

}
else
{

print "Login Failed - unknown username";

}

In the above code, there are different messages for when an incorrect username is supplied, versus when the username is correct but the password is wrong. This difference enables a potential attacker to understand the state of the login function, and could allow an attacker to discover a valid username by trying different values until the incorrect password message is returned. In essence, this makes it easier for an attacker to obtain half of the necessary authentication credentials.

While this type of information may be helpful to a user, it is also useful to a potential attacker. In the above example, the message for both failed cases should be the same, such as:

"Login Failed - incorrect username or password"

Example 2

This code tries to open a database connection, and prints any exceptions that occur.

(bad code)

Example Language: PHP

try {

openDbConnection();

}
//print exception message that includes exception message and configuration file location
catch (Exception $e) {

echo 'Caught exception: ', $e->getMessage(), '\n';
echo 'Check credentials in config file at: ', $Mysql_config_location, '\n';

}

If an exception occurs, the printed message exposes the location of the configuration file the script is using. An attacker can use this information to target the configuration file (perhaps exploiting a Path Traversal weakness). If the file can be read, the attacker could gain credentials for accessing the database. The attacker may also be able to replace the file with a malicious one, causing the application to use an arbitrary database.

Example 3

In the example below, the method getUserBankAccount retrieves a bank account object from a database using the supplied username and account number to query the database. If an SQLException is raised when querying the database, an error message is created and output to a log file.

(bad code)

Example Language: Java

public BankAccount getUserBankAccount(String username, String accountNumber) {

BankAccount userAccount = null;
String query = null;
try {

if (isAuthorizedUser(username)) {

query = "SELECT * FROM accounts WHERE owner = "
+ username + " AND accountID = " + accountNumber;
DatabaseManager dbManager = new DatabaseManager();
Connection conn = dbManager.getConnection();
Statement stmt = conn.createStatement();
ResultSet queryResult = stmt.executeQuery(query);
userAccount = (BankAccount)queryResult.getObject(accountNumber);

}

} catch (SQLException ex) {

String logMessage = "Unable to retrieve account information from database,\nquery: " + query;
Logger.getLogger(BankManager.class.getName()).log(Level.SEVERE, logMessage, ex);

}
return userAccount;

}

The error message that is created includes information about the database query that may contain sensitive information about the database or query logic. In this case, the error message will expose the table name and column names used in the database. This data could be used to simplify other attacks, such as SQL injection (CWE-89) to directly access the database.

Example 4

This code stores location information about the current user:

(bad code)

Example Language: Java

locationClient = new LocationClient(this, this, this);
locationClient.connect();
currentUser.setLocation(locationClient.getLastLocation());
...

catch (Exception e) {

AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Sorry, this application has experienced an error.");
AlertDialog alert = builder.create();
alert.show();
Log.e("ExampleActivity", "Caught exception: " + e + " While on User:" + User.toString());

}

When the application encounters an exception it will write the user object to the log. Because the user object contains location information, the user's location is also written to the log.

Example 5

The following is an actual MySQL error statement:

(result)

Example Language: SQL

Warning: mysql_pconnect(): Access denied for user: 'root@localhost' (Using password: N1nj4) in /usr/local/www/wi-data/includes/database.inc on line 4

The error clearly exposes the database credentials.

Example 6

This code displays some information on a web page.

(bad code)

Example Language: JSP

Social Security Number: <%= ssn %>
Credit Card Number: <%= ccn %>

The code displays a user's credit card and social security numbers, even though they aren't absolutely necessary.

Example 7

The following program changes its behavior based on a debug flag.

(bad code)

Example Language: JSP

<% if (Boolean.getBoolean("debugEnabled")) {

%>
User account number: <%= acctNo %>
<%
} %>

The code writes sensitive debug information to the client browser if the "debugEnabled" flag is set to true .

Example 8

This code uses location to determine the user's current US State location.

First the application must declare that it requires the ACCESS_FINE_LOCATION permission in the application's manifest.xml:

(bad code)

Example Language: XML

During execution, a call to getLastLocation() will return a location based on the application's location permissions. In this case the application has permission for the most accurate location possible:

(bad code)

Example Language: Java

locationClient = new LocationClient(this, this, this);
locationClient.connect();
Location userCurrLocation;
userCurrLocation = locationClient.getLastLocation();
deriveStateFromCoords(userCurrLocation);

While the application needs this information, it does not need to use the ACCESS_FINE_LOCATION permission, as the ACCESS_COARSE_LOCATION permission will be sufficient to identify which US state the user is in.

Selected Observed Examples

Note: this is a curated list of examples for users to understand the variety of ways in which this weakness can be introduced. It is not a complete list of all CVEs that are related to this CWE entry.

Reference	Description
CVE-2022-31162	Rust library leaks Oauth client details in application debug logs
CVE-2021-25476	Digital Rights Management (DRM) capability for mobile platform leaks pointer information, simplifying ASLR bypass
CVE-2001-1483	Enumeration of valid usernames based on inconsistent responses
CVE-2001-1528	Account number enumeration via inconsistent responses.
CVE-2004-2150	User enumeration via discrepancies in error messages.
CVE-2005-1205	Telnet protocol allows servers to obtain sensitive environment information from clients.
CVE-2002-1725	Script calls phpinfo(), revealing system configuration to web user
CVE-2002-0515	Product sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs.
CVE-2004-0778	Version control system allows remote attackers to determine the existence of arbitrary files and directories via the -X command for an alternate history file, which causes different error messages to be returned.
CVE-2000-1117	Virtual machine allows malicious web site operators to determine the existence of files on the client by measuring delays in the execution of the getSystemResource method.
CVE-2003-0190	Product immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.
CVE-2008-2049	POP3 server reveals a password in an error message after multiple APOP commands are sent. Might be resultant from another weakness.
CVE-2007-5172	Program reveals password in error message if attacker can trigger certain database errors.
CVE-2008-4638	Composite: application running with high privileges (CWE-250) allows user to specify a restricted file to process, which generates a parsing error that leaks the contents of the file (CWE-209).
CVE-2007-1409	Direct request to library file in web application triggers pathname leak in error message.
CVE-2005-0603	Malformed regexp syntax leads to information exposure in error message.
CVE-2004-2268	Password exposed in debug information.
CVE-2003-1078	FTP client with debug option enabled shows password to the screen.
CVE-2022-0708	Collaboration platform does not clear team emails in a response, allowing leak of email addresses

Weakness Ordinalities

Ordinality	Description
Primary	(where the weakness exists independent of other weaknesses) Developers may insert sensitive information that they do not believe, or they might forget to remove the sensitive information after it has been processed
Resultant	(where the weakness is typically related to the presence of some other weaknesses) Separate mistakes or weaknesses could inadvertently make the sensitive information available to an attacker, such as in a detailed error message that can be read by an unauthorized party

Detection Methods

Method	Details
Automated Static Analysis - Binary or Bytecode	According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Bytecode Weakness Analysis - including disassembler + source code weakness analysis Inter-application Flow Analysis Effectiveness: SOAR Partial
Dynamic Analysis with Automated Results Interpretation	According to SOAR [REF-1479], the following detection techniques may be useful: Highly cost effective: Web Application Scanner Web Services Scanner Database Scanners Effectiveness: High
Dynamic Analysis with Manual Results Interpretation	According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Fuzz Tester Framework-based Fuzzer Automated Monitored Execution Monitored Virtual Environment - run potentially malicious code in sandbox / wrapper / virtual machine, see if it does anything suspicious Effectiveness: SOAR Partial
Manual Static Analysis - Source Code	According to SOAR [REF-1479], the following detection techniques may be useful: Highly cost effective: Manual Source Code Review (not inspections) Effectiveness: High
Automated Static Analysis - Source Code	According to SOAR [REF-1479], the following detection techniques may be useful: Highly cost effective: Context-configured Source Code Weakness Analyzer Cost effective for partial coverage: Source code Weakness Analyzer Effectiveness: High
Architecture or Design Review	According to SOAR [REF-1479], the following detection techniques may be useful: Highly cost effective: Formal Methods / Correct-By-Construction Cost effective for partial coverage: Attack Modeling Inspection (IEEE 1028 standard) (can apply to requirements, design, source code, etc.) Effectiveness: High

Memberships

Section Help This MemberOf Relationships table shows additional CWE Categories and Views that reference this weakness as a member. This information is often useful in understanding where a weakness fits within the context of external information sources.

Vulnerability Mapping Notes

Usage	DISCOURAGED (this CWE ID should not be used to map to real-world vulnerabilities)
Reasons	Frequent Misuse, Frequent Misinterpretation, Abstraction
Rationale	CWE-200 is commonly misused to represent the loss of confidentiality in a vulnerability, but confidentiality loss is a technical impact - not a root cause error. As of CWE 4.9, over 400 CWE entries can lead to a loss of confidentiality. Other options are often available. [REF-1287].
Comments	If an error or mistake causes information to be disclosed, then use the CWE ID for that error.
Suggestions	CWE-ID Comment CWE-201 inserting sensitive info into sent data CWE-203 ability to observe discrepancies in behavior or messages CWE-538 inserting sensitive info into files/directories CWE-285 improper authorization allowing sensitive info (see descendants) CWE-732 insecure permissions allowing sensitive info (see descendants) CWE-287 improper authentication allowing sensitive info (see descendants)

Taxonomy Mappings

Mapped Taxonomy Name	Node ID	Fit	Mapped Node Name
PLOVER	Information Leak (information disclosure)
OWASP Top Ten 2007	A6	CWE More Specific	Information Leakage and Improper Error Handling
WASC	13	Information Leakage

References

Content History

Submissions
Submission Date	Submitter	Organization
2006-07-19(CWE Draft 3, 2006-07-19)	PLOVER

Contributions
Contribution Date	Contributor	Organization
2022-07-11	Nick Johnston
Identified incorrect language tag in demonstrative example.
Modifications
Modification Date	Modifier	Organization
2026-04-30(CWE 4.20, 2026-04-30)	CWE Content Team	MITRE
updated Maintenance_Notes, Mapping_Notes
2025-12-11(CWE 4.19, 2025-12-11)	CWE Content Team	MITRE
updated Applicable_Platforms, Relationships
2025-09-09(CWE 4.18, 2025-09-09)	CWE Content Team	MITRE
updated Detection_Factors, References
2025-04-03(CWE 4.17, 2025-04-03)	CWE Content Team	MITRE
updated Relationships
2024-11-19(CWE 4.16, 2024-11-19)	CWE Content Team	MITRE
updated Relationships
2023-10-26(CWE 4.13, 2023-10-26)	CWE Content Team	MITRE
updated Observed_Examples
2023-06-29(CWE 4.12, 2023-06-29)	CWE Content Team	MITRE
updated Mapping_Notes
2023-04-27(CWE 4.11, 2023-04-27)	CWE Content Team	MITRE
updated References, Relationships
2022-10-13(CWE 4.9, 2022-10-13)	CWE Content Team	MITRE
updated Demonstrative_Examples, Maintenance_Notes, Observed_Examples, References
2021-10-28(CWE 4.6, 2021-10-28)	CWE Content Team	MITRE
updated Relationships
2021-07-20(CWE 4.5, 2021-07-20)	CWE Content Team	MITRE
updated Relationships
2020-12-10(CWE 4.3, 2020-12-10)	CWE Content Team	MITRE
updated Potential_Mitigations
2020-08-20(CWE 4.2, 2020-08-20)	CWE Content Team	MITRE
updated Alternate_Terms, Description, Maintenance_Notes, Related_Attack_Patterns, Relationships
2020-06-25(CWE 4.1, 2020-06-25)	CWE Content Team	MITRE
updated Relationships
2020-02-24(CWE 4.0, 2020-02-24)	CWE Content Team	MITRE
updated Applicable_Platforms, Demonstrative_Examples, Description, Name, Observed_Examples, Related_Attack_Patterns, Relationships, Weakness_Ordinalities
2019-09-19(CWE 3.4, 2019-09-19)	CWE Content Team	MITRE
updated Demonstrative_Examples, Observed_Examples, Relationships
2019-06-20(CWE 3.3, 2019-06-20)	CWE Content Team	MITRE
updated Related_Attack_Patterns, Relationships
2019-01-03(CWE 3.2, 2019-01-03)	CWE Content Team	MITRE
updated Related_Attack_Patterns
2017-11-08(CWE 3.0, 2017-11-08)	CWE Content Team	MITRE
updated References
2017-05-03(CWE 2.11, 2017-05-05)	CWE Content Team	MITRE
updated Related_Attack_Patterns
2015-12-07(CWE 2.9, 2015-12-07)	CWE Content Team	MITRE
updated Relationships
2014-07-30(CWE 2.8, 2014-07-31)	CWE Content Team	MITRE
updated Detection_Factors, Relationships
2014-06-23(CWE 2.7, 2014-06-23)	CWE Content Team	MITRE
updated Related_Attack_Patterns
2013-02-21(CWE 2.4, 2013-02-21)	CWE Content Team	MITRE
updated Alternate_Terms, Applicable_Platforms, References
2012-10-30(CWE 2.3, 2012-10-30)	CWE Content Team	MITRE
updated Potential_Mitigations
2012-05-11(CWE 2.2, 2012-05-15)	CWE Content Team	MITRE
updated Related_Attack_Patterns, Relationships
2011-06-01(CWE 1.13, 2011-06-01)	CWE Content Team	MITRE
updated Common_Consequences
2011-03-29(CWE 1.12, 2011-03-30)	CWE Content Team	MITRE
updated Description, Relationships
2010-04-05(CWE 1.8.1, 2010-04-05)	CWE Content Team	MITRE
updated Related_Attack_Patterns
2010-02-16(CWE 1.8, 2010-02-16)	CWE Content Team	MITRE
updated Taxonomy_Mappings
2009-12-28(CWE 1.7, 2009-12-28)	CWE Content Team	MITRE
updated Alternate_Terms, Description, Name
2008-10-14(CWE 1.0.1, 2008-10-14)	CWE Content Team	MITRE
updated Description
2008-09-08(CWE 1.0, 2008-09-09)	CWE Content Team	MITRE
updated Likelihood_of_Exploit, Relationships, Taxonomy_Mappings, Weakness_Ordinalities
2008-07-01(CWE 1.0, 2008-09-09)	Eric Dalci	Cigital
updated Time_of_Introduction
Previous Entry Names
Change Date	Previous Entry Name
2020-02-24	Information Exposure
2009-12-28	Information Leak (Information Disclosure)

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