CVE-2026-21671 Details
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.
A remote code execution vulnerability has been identified in Veeam Backup & Replication version 13.0.1.1071 and earlier, specifically within high availability deployments. This vulnerability allows an authenticated user with the Backup Administrator role to execute arbitrary code remotely.
This vulnerability has been fixed in Veeam Backup & Replication version 13.0.1.2067.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 13, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.veeam.com/kb4831 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [email protected] |
| CWE-693 | Protection Mechanism Failure | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| veeam veeam backup & replication | >= 13.0.0.496, <= 13.0.1.1071 |
CPE
Remediation
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Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 10, 2026 | CVE Modified | CISA-ADP |
| Mar 31, 2026 | Reanalysis | [email protected] |
| Mar 31, 2026 | Initial Analysis | [email protected] |
| Mar 12, 2026 | New CVE Received | [email protected] |