Veeam Backup & Replication Remote Code Execution Vulnerability in Mount Service

Vulnerability

A remote code execution vulnerability has been identified in the Mount service of Veeam Backup & Replication. This issue affects backup infrastructure hosts running Veeam Backup & Replication versions 12.1, 12.2, 12.3, and 12.3.1, as well as 12.3.2.3617, but not the Veeam Software Appliance or the upcoming Veeam Backup & Replication v13 for Windows. The vulnerability can be exploited by an authenticated domain user on domain-joined backup infrastructure servers.

Impact

Exploitation of this vulnerability allows for remote code execution on the affected backup infrastructure hosts.

Remediation

Users can upgrade to Veeam Backup & Replication 12.3.2.4165 Patch to address this vulnerability.

Added: Oct 31, 2025, 12:31 AM
Updated: Oct 31, 2025, 12:31 AM

Vulnerability Rating

Custom Algorithm
spread
4.5
impact
7.5
exploitability
4.9
remediation
7.7
relevance
0.8
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.