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5.3

CVE-2021-40837: 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 ...

CVE-2021-40837 · published 4 years ago
Summary

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 antiv...

What to do
  • Update f-secure atlant to version 2022-02-01_01 or later.
  • Update f-secure internet_gatekeeper to version 2022-02-01_01 or later.
  • Update f-secure linux_security to version 2022-02-01_01 or later.
  • Update f-secure security_cloud to version 2022-02-01_01 or later.
  • Update f-secure elements_endpoint_detection_and_response to version 2022-02-01_01 or later.
  • Update f-secure elements_endpoint_protection to version 2022-02-01_01 or later.
Affected software
VendorProductAffected versions
f-secure atlant < 2022-02-01_01
cpe:2.3:a:f-secure:atlant:*:*:*:*:*:*:*:*
f-secure internet_gatekeeper < 2022-02-01_01
cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*
f-secure linux_security < 2022-02-01_01
cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:*
f-secure security_cloud < 2022-02-01_01
cpe:2.3:a:f-secure:security_cloud:*:*:*:*:*:*:*:*
f-secure elements_endpoint_detection_and_response < 2022-02-01_01
cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:*:*:*:*:*:*:*:*
f-secure elements_endpoint_protection < 2022-02-01_01
cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:*
Original advisory text
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 ...
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.
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.3 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published9 Feb 2022
Updated4 Nov 2026
First seen29 Sep 2026
Sources
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