Medium severity · published Dec 22, 2021
CVE-2021-40836
A vulnerability affecting F-Secure antivirus engine was discovered whereby scanning MS outlook .pst files can lead to denial-of-service
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability affecting F-Secure antivirus engine was discovered whereby scanning MS outlook .pst files can lead to denial-of-service. 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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Atlant · F-secure
All versions, or not specified · source: NVD
EE
Elements Endpoint Detection And Response · F-secure
All versions, or not specified · source: NVD
EE
Elements Endpoint Protection · F-secure
All versions, or not specified · source: NVD
IG
Internet Gatekeeper · F-secure
All versions, or not specified · source: NVD
LS
Linux Security · F-secure
All versions, or not specified · source: NVD
LS
Linux Security 64 · F-secure
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40836
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40836
Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories
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