CVE-2022-20785: Cisco Secure Endpoint

High severity, CVSS 7.5. EPSS: 7.1% chance of exploitation in the next 30 days.

On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in HTML file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available.

Affected products

• Cisco Secure Endpoint: before 1.16.3 (fixed in 1.16.3); before 1.17.2 (fixed in 1.17.2); before 7.5.5 (fixed in 7.5.5); from 1.18.0, before 1.18.2 (fixed in 1.18.2)
• Clamav Clamav: before 0.103.5 (fixed in 0.103.5); up to and including 0.103.5; from 0.104.0, before 0.104.2 (fixed in 0.104.2)
• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 34 only; version 35 only; version 36 only

Published 2022-05-04. Last modified 2026-06-17.