CVE & CISA-KEV Catalog

CVE-2021-40837

MEDIUM

4.6

CVSS v3

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.

How to fix

Remediation Available

atlantNVD

Affected:< 2022-02-01_01Fixed in:2022-02-01_01CVE-2021-40837derived from NVD

elements endpoint detection and responseNVD

Affected:< 2022-02-01_01Fixed in:2022-02-01_01CVE-2021-40837derived from NVD

elements endpoint protectionNVD

Affected:< 2022-02-01_01Fixed in:2022-02-01_01CVE-2021-40837derived from NVD

internet gatekeeperNVD

Affected:< 2022-02-01_01Fixed in:2022-02-01_01CVE-2021-40837derived from NVD

linux securityNVD

Affected:< 2022-02-01_01Fixed in:2022-02-01_01CVE-2021-40837derived from NVD

security cloudNVD

Affected:< 2022-02-01_01Fixed in:2022-02-01_01CVE-2021-40837derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L

Exploit Intelligence

0.66%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.