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.
Published: 2026-03-12
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
History

Sun, 10 May 2026 15:45:00 +0000

Type Values Removed Values Added
Title Authenticated Remote Code Execution in High‑Availability Veeam Backup & Replication

Sun, 10 May 2026 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693

Wed, 01 Apr 2026 02:15:00 +0000

Type Values Removed Values Added
Title Authenticated Remote Code Execution in HA Deployments of Veeam Backup & Replication

Tue, 31 Mar 2026 03:00:00 +0000

Type Values Removed Values Added
First Time appeared Veeam veeam Backup \& Replication
Weaknesses CWE-94
CPEs cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*
Vendors & Products Veeam veeam Backup \& Replication

Fri, 20 Mar 2026 16:00:00 +0000

Type Values Removed Values Added
Title Authenticated Remote Code Execution in HA Deployments of Veeam Backup & Replication

Fri, 13 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Veeam
Veeam software Appliance
Vendors & Products Veeam
Veeam software Appliance

Thu, 12 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 12 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
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.
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}


Subscriptions

Veeam Software Appliance Veeam Backup \& Replication
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-05-10T13:48:38.313Z

Reserved: 2026-01-02T15:00:02.872Z

Link: CVE-2026-21671

cve-icon Vulnrichment

Updated: 2026-03-12T15:28:05.309Z

cve-icon NVD

Status : Modified

Published: 2026-03-12T15:16:13.630

Modified: 2026-05-10T14:16:47.133

Link: CVE-2026-21671

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-10T15:30:14Z

Weaknesses