VulnerabilityModified

CVE-2021-33602

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.

MEDIUM 5.3EPSS 0.59%

Does this matter?

Lower severity and a low EPSS score (0.59%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS: 0.59% probability · 47th percentile
CISA KEV: Not listed
Affected: f-secure/atlant · f-secure/cloud protection · f-secure/internet gatekeeper · f-secure/linux security
Source: cve-notifications-us@f-secure.com

References

https://www.f-secure.com/en/business/support-and-downloads/security-advisoriesVendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisoriesVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.