Medium severity · published Mar 1, 2022
CVE-2021-44747
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the Fmlib component used in certain F-Secure products can crash while scanning fuzzed…
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the Fmlib 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 of the Anti-Virus engine.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Atlant · F-secure
before 2022-02-23_01 · source: NVD
EE
Elements Endpoint Protection · F-secure
before 2022-02-23_01 · source: NVD
IG
Internet Gatekeeper · F-secure
through 2022-02-23_01 · source: NVD
LS
Linux Security · F-secure
before 2022-02-23_01 · source: NVD
SC
Security Cloud · F-secure
before 2022-02-23_01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44747
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44747
Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories
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