Is CVE-2024-42456 actively exploited?

No active exploitation of CVE-2024-42456 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-42456 be exploited remotely?

Yes. CVE-2024-42456 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-42456?

CVE-2024-42456 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2024-42456

CWE-306Published: December 4, 2024· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

A vulnerability in Veeam Backup & Replication platform allows a low-privileged user with a specific role to exploit a method that updates critical configuration settings, such as modifying the trusted client certificate used for authentication on a specific port. This can result in unauthorized access, enabling the user to call privileged methods and initiate critical services. The issue arises due to insufficient permission requirements on the method, allowing users with low privileges to perform actions that should require higher-level permissions.

NVD Source

Technical Analysis

CVE-2024-42456 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.