CVE-2026-21667
Received Received - Intake
Authenticated Remote Code Execution Vulnerability in Backup Server

Publication date: 2026-03-12

Last updated on: 2026-03-31

Assigner: HackerOne

Description
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
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Meta Information
Published
2026-03-12
Last Modified
2026-03-31
Generated
2026-06-16
AI Q&A
2026-03-12
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
veeam veeam_backup_&_replication From 12.0.0.1402 (inc) to 12.3.2.4465 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
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Executive Summary

This vulnerability allows an authenticated domain user to perform remote code execution (RCE) on the Backup Server.

Impact Analysis

The vulnerability can have a severe impact as it allows an authenticated user to execute arbitrary code remotely on the Backup Server, potentially leading to full compromise of the system.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

I don't know

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