CVE-2021-33597: F-Secure Business Suite

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the SAVAPI component used in certain F-Secure products can crash while scanning fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.

Affected products

• F-Secure Business Suite: affected versions not specified
• F-Secure Client Security: affected versions not specified
• F-Secure Elements Endpoint Protection: affected versions not specified
• F-Secure Linux Security: affected versions not specified

Published 2021-08-05. Last modified 2026-06-17.