CVE-2021-33597 json
Denial-of-Service (DoS) Vulnerability
published 2021-08-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20281
- cvss
- 3.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the SAVAPI 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 (DoS) of the Anti-Virus engine.
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected products
- F-Secure F-Secure endpoint protection products on Windows, Mac and Linux Security
References
-
f-secure.com
/en/business/programs/vulnerability-reward-program/hall-of-fame
not-applicable, vendor-advisory
-
f-secure.com
/en/business/support-and-downloads/security-advisories
vendor-advisory
Sources
- CVE List CVE-2021-33597
- NVD CVE-2021-33597
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