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CVE-2025-48983VulnerabilityPublished Updated

CVE-2025-48983: Veeam Backup and Replication · Vulnerability

Affects Veeam Backup and ReplicationSource CVE Database V5

0

Not known to be exploited · CVSS 10.0 Critical.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
10.0Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Veeam Backup and ReplicationAffected
  • =12.3.2
Fixed in–

AI-suggested

To mitigate CVE-2025-48983, organizations should take the following specific actions: 1) Immediately restrict domain user privileges to the minimum necessary, especially limiting access to backup infrastructure hosts and the Mount service. 2) Implement strict network segmentation and access controls to isolate backup servers from general user networks, reducing the attack surface. 3) Monitor authentication logs and backup server activity for unusual or unauthorized access attempts by domain users. 4) Apply vendor patches or updates as soon as they become available; prioritize testing and deployment of fixes for Veeam Backup & Replication version 12.3.2. 5) Employ multi-factor authentication (MFA) for all domain accounts with access to backup infrastructure to reduce the risk of credential compromise. 6) Regularly audit and review domain user permissions and group memberships to ensure no excessive privileges exist. 7) Consider deploying application whitelisting or endpoint detection and response (EDR) solutions on backup servers to detect and block unauthorized code execution. 8) Develop and test incident response plans specifically addressing backup infrastructure compromise scenarios. These targeted measures go beyond generic advice by focusing on access control hardening, monitoring, and rapid patch management tailored to the nature of this vulnerability.

Description

A vulnerability in the Mount service of Veeam Backup & Replication, which allows for remote code execution (RCE) on the Backup infrastructure hosts by an authenticated domain user.

References

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