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.

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
History

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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-03-13T03:55:46.681Z

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 : Awaiting Analysis

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

Modified: 2026-03-12T21:07:53.427

Link: CVE-2026-21671

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-13T09:53:05Z

Weaknesses

No weakness.