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CVE-2021-33602

Denial-of-Service (DoS) Vulnerability

Published: Oct 6, 2021Updated: Nov 21, 2024 Sources: CVE List NVDNVD-CWE-noinfo
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.6%
Top 57.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

NVD-CWE-noinfo

Affected Products

atlantf-secureSecurity Products
cloud protectionf-secureSecurity Products
internet gatekeeperf-secureSecurity Products
linux securityf-secureSecurity Products
F-Secure endpoint protection products on Windows and Mac. F-Secure Linux Security (32-bit) F-Secure Linux Security 64 F-Secure Atlant & F-Secure Cloud Protection for SalesforceF-SecureSecurity Products
f-securecommercialFISecurity Productsaka fsecure, f-secure

Exploitability

Official Patch Available

References

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

Timeline

Published
Oct 6, 2021
Last Updated
Nov 21, 2024

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