CVE & CISA-KEV Catalog

CVE-2021-44747

MEDIUM
4.6
CVSS v3
NVD

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.

How to fix

Remediation Available
atlantNVD
Affected:< 2022-02-23_01Fixed in:2022-02-23_01CVE-2021-44747derived from NVD
elements endpoint protectionNVD
Affected:< 2022-02-23_01Fixed in:2022-02-23_01CVE-2021-44747derived from NVD
linux securityNVD
Affected:< 2022-02-23_01Fixed in:2022-02-23_01CVE-2021-44747derived from NVD
security cloudNVD
Affected:< 2022-02-23_01Fixed in:2022-02-23_01CVE-2021-44747derived 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

0.63%probability of exploitation in 30 days
46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Vendor Advisory1
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Markdown

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HTML

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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.