VULNERABILITY INTELLIGENCE
CVE-2021-33602
CVSS score5.5 MEDIUM
EPSS probability0.60%
CISA KEVNot currently listed
Published2021-10-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Description
A vulnerability affecting the F-Secure Antivirus engine was discovered when the engine tries to unpack a zip archive (LZW decompression method), and this can crash the scanning engine. The vulnerability can be exploited remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- cve-notifications-us@f-secure.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory