{"cve":"CVE-2021-33599","nvd":{"published":"2021-09-07T13:15:07.403","modified":"2026-06-17T03:54:51.267","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-835"],"references":["https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame","https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33599","https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame","https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33599"],"products":["f-secure:atlant","f-secure:cloud_protection_for_salesforce","f-secure:elements_endpoint_protection","f-secure:linux_security"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-33599","score":0.00415,"percentile":0.35795,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}