CVE-2021-40837: Denial-of-Service (DoS) Vulnerability
First published: Wed Feb 09 2022(Updated: )
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.
Credit: cve-notifications-us@f-secure.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F-Secure Atlant | <2022-02-01_01 | |
| F-secure Internet Gatekeeper | <2022-02-01_01 | |
| F-Secure Linux Security | <2022-02-01_01 | |
| F-secure Security Cloud | <2022-02-01_01 | |
| F-secure Elements Endpoint Detection And Response | <2022-02-01_01 | |
| F-secure Elements Endpoint Protection | <2022-02-01_01 | |
| Apple macOS | ||
| Microsoft Windows |
Remedy
FIX: No User action is required. The required fix has been published through automatic update channel with Capricorn update 2022-02-01_01
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2021-40837?
CVE-2021-40837 is a vulnerability affecting F-Secure antivirus engine before Capricorn update 2022-02-01_01, where decompression of ACE file causes the scanner service to stop.
How can CVE-2021-40837 be exploited?
CVE-2021-40837 can be exploited remotely by an attacker.
What is the severity of CVE-2021-40837?
CVE-2021-40837 has a severity rating of 5.3 (medium).
Which software versions are affected by CVE-2021-40837?
CVE-2021-40837 affects F-Secure Antivirus Engine versions before Capricorn update 2022-02-01_01, including F-Secure Atlant, F-Secure Internet Gatekeeper, F-Secure Linux Security, F-Secure Security Cloud, F-Secure Elements Endpoint Detection And Response, and F-Secure Elements Endpoint Protection.
How do I fix CVE-2021-40837?
To fix CVE-2021-40837, update your F-Secure Antivirus Engine to Capricorn update 2022-02-01_01 or later.
- collector/nvd-index
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/author
- agent/last-modified-date
- agent/severity
- agent/remedy
- agent/description
- agent/first-publish-date
- agent/tags
- agent/event
- vendor/f-secure
- canonical/f-secure atlant
- canonical/f-secure internet gatekeeper
- canonical/f-secure linux security
- canonical/f-secure security cloud
- canonical/f-secure elements endpoint detection and response
- canonical/f-secure elements endpoint protection
- vendor/apple
- canonical/apple macos
- vendor/microsoft
- canonical/microsoft windows