What is CVE-2025-23121?

CVE-2025-23121 is a high-severity vulnerability in Veeam Backup And Recovery, classified under Code Injection. CVSS score: 8.8/10. Published 2025-06-19.

How severe is CVE-2025-23121?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-23121 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Veeam Backup And Recovery

CVE-2025-23121

A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.124 (95.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Veeam Backup And Recovery — versions 12.3.1
Veeam Veeam_backup_\&_replication

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

support@hackerone.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-23121?: CVE-2025-23121 is a high-severity vulnerability in Veeam Backup And Recovery, classified under Code Injection. CVSS score: 8.8/10. Published 2025-06-19.
How severe is CVE-2025-23121?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-23121 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.