Veeam Backup Vulnerability Allows Attackers to Execute Arbitrary Code

A critical vulnerability, CVE-2025-23114, has been discovered within the Veeam Updater component that poses a serious risk to organizations utilizing Veeam’s backup solutions.

The flaw allows attackers to leverage a Man-in-the-Middle (MitM) attack to inject and execute arbitrary code with root-level permissions on the affected appliance server.

The vulnerability, reported through HackerOne by security researcher @putsi, has been assigned a CVSS v3.1 severity score of 9.0, categorizing it as critical.

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Affected Products

Current Releases

The vulnerability impacts the current and older versions of Veeam Backup for Salesforce (3.1 and older).

Previous Releases

Older releases of other Veeam backup products, utilizing outdated Veeam Updater components, are also vulnerable. An update to the latest version of these products addresses the issue.

• Veeam Backup for Nutanix AHV (Versions 5.0, 5.1)
  • Fixed in version 6 or higher (released August 24, 2024).
• Veeam Backup for AWS (Versions 6a, 7)
  • Fixed in version 8 (released July 2, 2024).
• Veeam Backup for Microsoft Azure (Versions 5a, 6)
  • Fixed in version 7 (released July 2, 2024).
• Veeam Backup for Google Cloud (Versions 4, 5)
  • Fixed in version 6 (released December 3, 2024).
• Veeam Backup for Oracle Linux Virtualization Manager and Red Hat Virtualization (Versions 3, 4.0, 4.1)
  • Fixed in version 5 or higher (released August 24, 2024).

Veeam has addressed the vulnerability by releasing updated versions of the Veeam Updater component. The patched versions include:

• Veeam Backup for Salesforce: Version 7.9.0.1124
• Veeam Backup for Nutanix AHV: Version 9.0.0.1125
• Veeam Backup for AWS: Version 9.0.0.1126
• Veeam Backup for Microsoft Azure: Version 9.0.0.1128
• Veeam Backup for Google Cloud: Version 9.0.0.1128
• Veeam Backup for Oracle Linux Virtualization Manager and Red Hat Virtualization: Version 9.0.0.1127

Users are advised to check for updates via the built-in Veeam Updater. To confirm the Veeam Updater version in use, review the update logs or history.

CVE-2025-23114 serves as a critical reminder for organizations to stay vigilant against software vulnerabilities by ensuring timely updates. Veeam has urged its users to upgrade to the latest versions immediately to mitigate the risk of exploitation.

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