Paper/Archive/CVE-2026-21671

CVE-2026-21671

Veeam Software Appliance — A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availabi…

EPSS 1%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (CNA)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 72.2.722 × 2014.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Software Appliance13.0.1 – < 13.0.113.0.1CNA

Scores by source

hackerone (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refveeam.com/kb4831