Is CVE-2023-47264 actively exploited?

No active exploitation of CVE-2023-47264 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-47264 be exploited remotely?

Yes. CVE-2023-47264 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-47264?

CVE-2023-47264 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2023-47264

HIGH

CVE-2023-47264

CWE-125Published: November 16, 2023· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Certain WithSecure products have a buffer over-read whereby processing certain fuzz file types may cause a denial of service (DoS). 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.

NVD Source

Technical Analysis

CVE-2023-47264 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.