CVE-2021-33602

Denial-of-Service (DoS) Vulnerability

MEDIUM
5.3
CVSS Score
Published: October 6, 2021 at 09:59 AM UTC
Updated: June 17, 2026 at 03:54 AM UTC
7 products affected across 1 vendorInternet GatekeeperAtlantLinux Security

Using 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 Salesforce by F-Secure?

Get instant alerts when new vulnerabilities affect 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 Salesforce - before attackers find them.

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%

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.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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