CVSS 3.1 Score 7.5 of 10 (high)


Published Sep 18, 2023
Updated: Sep 22, 2023
CWE ID 400


CVE-2023-42521 is a vulnerability that affects certain WithSecure products, including WithSecure Client Security 15, WithSecure Server Security 15, and WithSecure Email and Server Security 15. It also impacts WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, and WithSecure Elements Endpoint Protection for Mac 17 and later. Additionally, Linux Security 64 12.0, Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1 are vulnerable to this issue. The vulnerability allows remote attackers to crash the scanning engine through the processing of a compressed file. The risk score is rated at 25 out of 100, with a high severity base score of 7.5 according to the National Vulnerability Database (NVD). The exploitability score is rated at 3.9 out of 10. No privileges are required for exploitation and there is no user interaction needed. The attack vector is through the network with an availability impact of high severity. No integrity or confidentiality impact is identified in this vulnerability.


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