vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-40837

Denial-of-Service (DoS) Vulnerability

MEDIUM
5.3
CVSS Score
Published: February 9, 2022 at 12:10 PM UTC
Updated: June 17, 2026 at 04:07 AM UTC
8 products affected across 1 vendorInternet GatekeeperAtlantElements Endpoint Protection· also runs on 2 platforms

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 Internet Gatekeeper & F-Secure Security Cloud 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 Internet Gatekeeper & F-Secure Security Cloud - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%

Description

A vulnerability affecting F-Secure antivirus engine before Capricorn update 2022-02-01_01 was discovered whereby decompression of ACE file causes the scanner service to stop. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.

Affected

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

Atlant· F Secure
95%
v < 2022-02-01_01All Version
Affected range stops below 2022-02-01_01, so it looks safe — our inference, not a vendor statement
Elements Endpoint Detection and Response· F Secure
95%
v < 2022-02-01_01
Affected range stops below 2022-02-01_01, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · microsoft-windows (environment)
Elements Endpoint Protection· F Secure
95%
v < 2022-02-01_01
Affected range stops below 2022-02-01_01, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · microsoft-windows (environment)
Internet Gatekeeper· F Secure
95%
v < 2022-02-01_01All Version
Affected range stops below 2022-02-01_01, so it looks safe — our inference, not a vendor statement
Linux Security· F Secure
95%
v < 2022-02-01_01All Version
Affected range stops below 2022-02-01_01, so it looks safe — our inference, not a vendor statement
Security Cloud· F Secure
95%
v < 2022-02-01_01All Version
Affected range stops below 2022-02-01_01, so it looks safe — our inference, not a vendor statement
Endpoint Protection· F Secure
60%
All Version
Linux Security 64· F Secure
60%
All Version

Runs on — not affected

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

Remediation

No guide yet

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

Patch and advisory references

References (2)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.f-secure.com/en/business/support-and-downloads/security-advisories
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40837

CVSS

5.3MEDIUM[email protected]
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

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.

Create accountSign in
Free plan, no card