CVE-2021-33598

Denial-of-Service (DoS) Vulnerability

MEDIUM
6.5
CVSS Score
Published: August 23, 2021 at 11:02 AM UTC
Updated: June 17, 2026 at 03:54 AM UTC
4 products affected across 1 vendorAtlantElements Endpoint ProtectionLinux Security· also runs on 2 platforms

Using F-Secure endpoint protection products on Windows, Mac and Linux Security by F-Secure?

Get instant alerts when new vulnerabilities affect F-Secure endpoint protection products on Windows, Mac and Linux Security - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%

Description

A Denial-of-Service (DoS) vulnerability was discovered in all versions of F-Secure Atlant whereby the SAVAPI component used in certain F-Secure products can crash while scanning fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
All versions
apple-macos (environment) · microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

CVSS

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

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card