CVE-2021-40833 MEDIUM

CVE-2021-40833: Denial-of-Service (DoS) Vulnerability

Vendor F-Secure
Product F-Secure endpoint protection products on Windows and Mac. F-Secure Linux Security (32-bit) F-Secure Linux Security 64 F-Secure Internet Gatekeeper & F-Secure Atlant
Published November 26, 2021
Last update August 4, 2024

CVSS base score

5.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

A vulnerability affecting F-Secure antivirus engine was discovered whereby unpacking UPX file can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.

Key dates

02Disclosure timeline

November 26, 2021 CVE published
August 4, 2024 Record updated