VulnerabilityModified

CVE-2023-47263

Certain WithSecure products allow a Denial of Service (DoS) in the antivirus engine when scanning a fuzzed PE32 file.

HIGH 7.5EPSS 0.70%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Certain WithSecure products allow a Denial of Service (DoS) in the antivirus engine when scanning a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 15 and later.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.70% probability · 51th percentile
CISA KEV: Not listed
Affected: withsecure/client security · withsecure/elements endpoint protection · withsecure/email and server security · withsecure/server security · withsecure/linux protection · withsecure/linux security 64 · withsecure/atlant
Source: cve@mitre.org

References

https://www.withsecure.com/en/support/security-advisories/cve-2023-47263Vendor Advisory
https://www.withsecure.com/en/support/security-advisories/cve-2023-47263Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.