NVD - CVE-2024-20505 (original) (raw)

CVE-2024-20505 Detail

Description

A vulnerability in the PDF parsing module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6 and prior versions, all 0.105.x versions, all 0.104.x versions, and 0.103.11 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an out of bounds read. An attacker could exploit this vulnerability by submitting a crafted PDF file to be scanned by ClamAV on an affected device. An exploit could allow the attacker to terminate the scanning process.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST CVSS score

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST CVSS score

NIST: NVD

Base Score: 7.5 HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Nist CVSS score does not match with CNA score

CNA: Cisco Systems, Inc.

Base Score: 4.0 MEDIUM

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html Cisco Systems, Inc. Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00004.html CVE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST CISA-ADP

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 3:07:27 AM

Action Type Old Value New Value
Added SSVC {"timestamp":"2024-09-05T13:35:13.258736Z","id":"CVE-2024-20505","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Cisco Systems, Inc. 6/17/2026 3:07:27 AM

Action Type Old Value New Value
Added Affected [{"vendor":"Cisco","product":"ClamAV","defaultStatus":"unknown","versions":[{"version":"1.4.0","status":"affected"},{"version":"1.3.2","status":"affected"},{"version":"1.0.6","status":"affected"},{"version":"1.0.5","status":"affected"},{"version":"1.0.4","status":"affected"},{"version":"1.0.3","status":"affected"},{"version":"1.0.2","status":"affected"},{"version":"1.0.1","status":"affected"},{"version":"1.0.0","status":"affected"},{"version":"1.2.x","status":"affected"},{"version":"0.105.x","status":"affected"},{"version":"0.104.x","status":"affected"},{"version":"0.103.11","status":"affected"},{"version":"0.103.10","status":"affected"},{"version":"0.103.9","status":"affected"},{"version":"0.103.8","status":"affected"},{"version":"0.103.7","status":"affected"},{"version":"0.103.6","status":"affected"},{"version":"0.103.5","status":"affected"},{"version":"0.103.4","status":"affected"},{"version":"0.103.3","status":"affected"},{"version":"0.103.2","status":"affected"},{"version":"0.103.1","status":"affected"},{"version":"0.103.0","status":"affected"}]}]

CVE Modified by CVE 11/03/2025 5:16:40 PM

Action Type Old Value New Value
Added Reference https://lists.debian.org/debian-lts-announce/2024/12/msg00004.html

CVE Modified by CISA-ADP 3/25/2025 12:15:17 PM

Action Type Old Value New Value
Added CWE CWE-125

Initial Analysis by NIST 9/12/2024 1:28:47 PM

Action Type Old Value New Value
Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added CWE NIST CWE-125
Added CPE Configuration OR *cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* versions up to (excluding) 0.103.12 *cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* versions from (including) 0.104.0 up to (excluding) 1.0.7 *cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* versions from (including) 1.2.0 up to (excluding) 1.3.2 *cpe:2.3:a:clamav:clamav:1.4.0:*:*:*:*:*:*:*
Changed Reference Type https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html No Types Assigned https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html Patch, Vendor Advisory

New CVE Received from Cisco Systems, Inc. 9/04/2024 6:15:03 PM

Action Type Old Value New Value
Added Description A vulnerability in the PDF parsing module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6 and prior versions, all 0.105.x versions, all 0.104.x versions, and 0.103.11 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an out of bounds read. An attacker could exploit this vulnerability by submitting a crafted PDF file to be scanned by ClamAV on an affected device. An exploit could allow the attacker to terminate the scanning process.
Added CVSS V3.1 Cisco Systems, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Added Reference Cisco Systems, Inc. https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html [No types assigned]

Quick Info

CVE Dictionary Entry:
CVE-2024-20505
NVD Published Date:
09/04/2024
NVD Last Modified:
06/17/2026
Source:
Cisco Systems, Inc.