SB2023032404 - Missing authentication in Veeam Backup & Replication



SB2023032404 - Missing authentication in Veeam Backup & Replication

Published: March 24, 2023 Updated: March 4, 2024

Security Bulletin ID SB2023032404
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing authentication for critical function (CVE-ID: CVE-2023-27532)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to missing authorization within the Veeam.Backup.Service.exe. A remote attacker can connect to the affected service that is listening on port 9401/TCP, obtain encrypted credentials stored in the configuration database and use this information to access the backup infrastructure hosts.


Remediation

Install update from vendor's website.