Is CVE-2024-42455 actively exploited?

No active exploitation of CVE-2024-42455 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-42455 be exploited remotely?

Yes. CVE-2024-42455 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-42455?

CVE-2024-42455 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2024-42455

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

8.1

CVSS v3.1

Official Description

A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting services and exploit insecure deserialization by sending a serialized temporary file collection. This exploit allows the attacker to delete any file on the system with service account privileges. The vulnerability is caused by an insufficient blacklist during the deserialization process.

NVD Source

Technical Analysis

CVE-2024-42455 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 full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.