CVE-2026-21671

Published Mar 12, 2026

Last updated 24 days ago

Overview

Description
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
support@hackerone.com
NVD status
Analyzed
Products
veeam_backup_\&_replication

Risk scores

CVSS 3.1

Type
Secondary
Base score
9.1
Impact score
6
Exploitability score
2.3
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Severity
CRITICAL

Weaknesses

nvd@nist.gov
CWE-94

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.