CVE-2021-40836
mediumpriority · track · 22EPSS 0.005 · 41 %ileEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- f-secure elements endpoint detection and responseall versionsnvdUScpe:2.3:a:f-secure:elements_endpoint_detection_and_response:*:*:*:*:*:*:*:*
- f-secure elements endpoint protectionall versionsnvdUScpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2021-40836cnnvd
- https://vigilance.fr/vulnerability/F-Secure-Anti-Virus-denial-of-service-via-Outlook-PST-File-37124cnnvd
- https://www.f-secure.com/en/business/support-and-downloads/security-advisoriescnnvd
- https://www.f-secure.com/en/business/support-and-downloads/security-advisoriesenisa_euvd
- https://www.f-secure.com/en/business/support-and-downloads/security-advisoriesVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan