CVE-2021-40836
CVE-2021-40836 is a medium-severity vulnerability in F-secure Atlant with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.6)
- CVSS v2: 4.3
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: F-secure Atlant
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-40836?
- 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.
- How severe is CVE-2021-40836?
- CVE-2021-40836 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability low.
- Is CVE-2021-40836 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40836?
- CVE-2021-40836 primarily affects F-secure Atlant. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-40836?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-40836 published?
- CVE-2021-40836 was published on 2021-12-22 and last updated on 2026-06-17.
References
Affected products (6)
- cpe:2.3:a:f-secure:atlant:*:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:x86:*
- cpe:2.3:a:f-secure:linux_security_64:*:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:*:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:*
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