Medium severity4.6NVD Advisory· Published Sep 7, 2021· Updated Jun 17, 2026

CVE-2021-33599

Description

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 of the Anti-Virus engine.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

F-Secure/Atlant
cpe:2.3:a:f-secure:atlant:-:*:*:*:*:*:*:*
F-Secure/Cloud Protection For Salesforce
cpe:2.3:a:f-secure:cloud_protection_for_salesforce:-:*:*:*:*:*:*:*
F-Secure/Elements Endpoint Protection
cpe:2.3:a:f-secure:elements_endpoint_protection:-:*:*:*:*:*:*:*
F-Secure/Linux Security
cpe:2.3:a:f-secure:linux_security:-:*:*:*:*:*:*:*
F-Secure/antivirus enginellm-fuzzy
F-Secure/F-Secure endpoint protection products on Windows and Mac. F-Secure Linux Security (32-bit) F-Secure Linux Security 64 F-Secure Atlant F-Secure Cloud Protection for Salesforcev5
Range: All Version

Patches

Vulnerability mechanics

References

www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-famenvdVendor Advisory
www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33599nvdVendor Advisory

News mentions

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