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Vulnerability DatabaseCVE-2026-21671

CVE-2026-21671: 
Veeam Backup & Replication vulnerability analysis and mitigation

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.

Source: NVD

Related Veeam Backup & Replication vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-21708CRITICAL9.9
  • Veeam Backup & ReplicationVeeam Backup & Replication
  • cpe:2.3:a:veeam:backup_and_replication
NoYesMar 12, 2026
CVE-2026-21669CRITICAL9.9
  • Veeam Backup & ReplicationVeeam Backup & Replication
  • cpe:2.3:a:veeam:veeam_backup_\&_replication
NoYesMar 12, 2026
CVE-2026-21671CRITICAL9.1
  • Veeam Backup & ReplicationVeeam Backup & Replication
  • cpe:2.3:a:veeam:veeam_backup_\&_replication
NoYesMar 12, 2026
CVE-2026-21672HIGH8.8
  • Veeam Backup & ReplicationVeeam Backup & Replication
  • cpe:2.3:a:veeam:backup_and_replication
NoYesMar 12, 2026
CVE-2026-21670MEDIUM6.5
  • Veeam Backup & ReplicationVeeam Backup & Replication
  • cpe:2.3:a:veeam:veeam_backup_\&_replication
NoYesMar 12, 2026

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