Client Security
CVE-2021-33597
MEDIUM
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
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. Affected products include: F-Secure Client Security, F-Secure Linux Security, F-Secure Business Suite, F-Secure Elements Endpoint Protection.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Client Security
View allWithSecure Elements Endpoint Protection Link Following Local Privilege Escalation Vulnerability. Rated high severity (CV
Certain WithSecure products allow Local Privilege Escalation. Rated high severity (CVSS 7.8), this vulnerability is low
Certain WithSecure products allow Local privilege escalation via the lhz archive unpack handler. Rated high severity (CV
In the F-Secure installer in F-Secure SAFE for Windows before 17.6, F-Secure Internet Security before 17.6, F-Secure Ant
Certain WithSecure products allow a Denial of Service because there is an unpack handler crash that can lead to a scanni
Certain WithSecure products have a buffer over-read whereby processing certain fuzz file types may cause a denial of ser
Certain WithSecure products allow a Denial of Service (DoS) in the antivirus engine when scanning a fuzzed PE32 file. Ra
Certain WithSecure products allow Denial of Service via the aepack archive unpack handler. Rated high severity (CVSS 7.5
Certain WithSecure products allow Denial of Service in the aeelf component. Rated high severity (CVSS 7.5), this vulnera
Certain WithSecure products allow Denial of Service (infinite loop). Rated high severity (CVSS 7.5), this vulnerability
Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. Rated high severity (CVSS 7.5), this vulnera
Certain WithSecure products allow an infinite loop in a scanning engine via unspecified file types. Rated high severity
Same technique Denial Of Service
View allShare
External POC / Exploit Code
Leaving vuln.today