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Fencer Vulns
medium 5.3

CVE-2024-20328 json

ClamAV VirusEvent File Processing Command Injection Vulnerability

published 2024-03-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-18043

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
84.8%
EPSS 84.8% chance of exploitation in 30 days, percentile 99.7%
public exploits
0
none known

Summary

A vulnerability in the VirusEvent feature of ClamAV could allow a local attacker to inject arbitrary commands with the privileges of the application service account.The vulnerability is due to unsafe handling of file names. A local attacker could exploit this vulnerability by supplying a file name containing command-line sequences. When processed on a system using configuration options for the VirusEvent feature, the attacker could cause the application to execute arbitrary commands. ClamAV has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Patch / fix

  • cisco clam_antivirus 1.0.5-0, 1.2.2-0
  • cisco clamav 1.0.5-0, 1.2.2-0
  • clamav clamav 1.0.5-0, 1.2.2-0
  • clamavs clamav 1.0.5-0, 1.2.2-0
  • clam_anti-virus clamav 1.0.5-0, 1.2.2-0
  • clamav Debian 12 1.0.5+dfsg-1~deb12u1
  • clamav Debian 14, Debian 13 1.0.5+dfsg-1

debian advisories DEBIAN-CVE-2024-20328

  • clamav Ubuntu 24.04 LTS 1.0.5+dfsg-1ubuntu1

ubuntu advisories UBUNTU-CVE-2024-20328

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • clamav Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 1.2.2-r0

alpine advisories ALPINE-CVE-2024-20328

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • clamav CBL-Mariner 2.0 0.105.2-5
  • clamav Azure Linux 3.0 1.0.6-1

azure linux advisories AZL-35428AZL-35431

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-20328 updated cvss 7.3

clamav: command injection vulnerability in the "VirusEvent" feature of ClamD service

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

84.84% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

  • Cisco ClamAV

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.