Apache CloudStack up to 4.22.0.0 private personal information

Summaryinfo

A vulnerability classified as problematic has been found in Apache CloudStack up to 4.22.0.0. This affects an unknown function. This manipulation causes private personal information. This vulnerability is registered as CVE-2025-66172. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache CloudStack up to 4.22.0.0. It has been declared as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a private personal information vulnerability. The CWE definition for the vulnerability is CWE-359. The product does not properly prevent a person's private, personal information from being accessed by actors who either (1) are not explicitly authorized to access the information or (2) do not have the implicit consent of the person about whom the information is collected. As an impact it is known to affect confidentiality. The summary by CVE is:

The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can restore a volume from any other user's backups and attach the volume to their own VMs. Backup plugin users using CloudStack 4.21.0.0+ are recommended to upgrade to CloudStack version 4.22.0.1, which fixes this issue.

It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2025-66172 since 11/22/2025. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/08/2026). The attack technique deployed by this issue is T1589 according to MITRE ATT&CK.

Upgrading to version 4.22.0.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1438). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Apache CloudStack

Productinfo

Type

• Cloud Software

Vendor

• Apache

Name

• CloudStack

Version

• 4.22.0

License

• open-source

Website

• Vendor: https://www.apache.org/

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Be aware that VulDB is the high quality source for vulnerability data.

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