Cyber Resilience

CVE-2021-33599

Medium

Published: 07 September 2021

Published
07 September 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS Score 0.0014 34.7th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33599 is a medium-severity Infinite Loop (CWE-835) vulnerability in F-Secure Atlant. Its CVSS base score is 4.6 (Medium).

Operationally, ranked at the 34.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability affecting F-Secure Antivirus engine was discovered whereby scanning WIM archive file can lead to denial-of-service (infinite loop and freezes AV engine scanner). The vulnerability can be exploit remotely by an attacker. A successful attack will result in Denial-of-Service…

more

of the Anti-Virus engine.

CWE(s)
CWE-835

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

f-secure
atlant
all versions
f-secure
cloud protection for salesforce
all versions
f-secure
linux security
all versions
f-secure
elements endpoint protection
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CP-7 Alternate Processing Site
addresses: CWE-835

Enables transfer to alternate site if an infinite loop at the primary renders processing unavailable.

SC-5 Denial-of-service Protection
addresses: CWE-835

Detects and mitigates infinite loops that produce sustained resource consumption.

References