Veeam Software Appliance/Veeam Infrastructure Appliance — Updater Component Vulnerability
| KB ID: | 4879 |
| Product: | Veeam Backup & Replication | 13 |
| Published: | 2026-07-14 |
| Last Modified: | 2026-07-14 |
Vulnerability Details
A vulnerability in the Veeam Updater component allows a local user to elevate their privileges and gain root-level access to the underlying operating system.
Severity: High
CVSS Score: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: Reported through HackerOne by skydesperados.
Impacted Components:
- Veeam Software Appliance (Linux-based Veeam Backup & Replication Server)
- Veeam Infrastructure Appliance
Solution
This vulnerability is resolved starting in the Veeam Updater component version 12.3.0.65.
- Automatic Update Deployment — For most users, no action is needed, as the Veeam Updater component installs the fix automatically during its automatic update check.
- Manual Update Deployment — If the Veeam Software Appliance or any Veeam Infrastructure Appliance is unable to reach either repository.veeam.com or a local mirror repository, the fix must be applied manually with assistance from Veeam Support, or temporary internet access to the update server must be configured.
For more information about Veeam Appliance Update configuration, review the product user guide:
Veeam Backup & Replication User Guide: Updating Veeam Appliances
Deployment Verification
To verify that the Veeam Updater component has been updated, review the component versions on the Veeam Software Appliance or Veeam Infrastructure Appliance using its Host Management Console:
- Open the appliance's Host Management Console Web UI.
- In the left-side navigation list, select the Logs and Services section under the Support heading.
- Within the Logs and Services view, select the Components tab.
- Review the list of installed components and their respective versions (optionally use the filter).
- Verify that the Veeam Updater component version listed is 12.3.0.65 or higher.
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