Medium severity · published Feb 9, 2022
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
5.3
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Atlant · F-secure
before 2022-02-01_01 · source: NVD
EE
Elements Endpoint Detection And Response · F-secure
before 2022-02-01_01 · source: NVD
EE
Elements Endpoint Protection · F-secure
before 2022-02-01_01 · source: NVD
IG
Internet Gatekeeper · F-secure
before 2022-02-01_01 · source: NVD
LS
Linux Security · F-secure
before 2022-02-01_01 · source: NVD
SC
Security Cloud · F-secure
before 2022-02-01_01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40837
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40837
Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories
Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40837
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