2025-021: Critical Vulnerability in Veeam Backup & Replication

2025-021: Critical Vulnerability in Veeam Backup & Replication ↗ source

June 18, 2025 CERT-EU Advisory

Source: https://cert.europa.eu/publications/security-advisories/2025-021/

Summary

The vulnerability CVE-2025-23121, with a CVSS score of 9.9, is a flaw allowing remote code execution (RCE) on the Backup Server by an authenticated domain user. This vulnerability only impacts domain-joined backup servers. It is said that this vulnerability is likely a bypass of the fix, released in March 2025, addressing the vulnerability CVE-2025-23120 [2,3]. This vulnerability impacts Veeam Backup & Replication version 12 builds, including 12.3.1.1139 (addressed in 12.3.2 (build 12.3.2.3617)). The vendor notes that unsupported product versions are not tested, but are likely affected and should be considered vulnerable [1].

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

CVE	CVSS	Affected
CVE-2025-23120	9.9 Critical	Veeam Backup and Recovery A vulnerability allowing remote code execution (RCE) for domain users.
CVE-2025-23121	9.9 Critical	Veeam Backup and Recovery A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user

Extracted from the publication text. Each CVE links to its tracked detail page.

Vendors Named in This Publication

Veeam 4 KEV

Each vendor links to its Known Exploited Vulnerabilities catalog page. Only vendors that appear in the KEV catalog are listed, either because the publication cites one of their KEV entries or because it names them directly.