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 create new VMs using backups of any other user of the environment.
Backup plugin users using CloudStack 4.21.0.0+ are recommended to upgrade to CloudStack version 4.22.0.1, which fixes this issue.
Metrics
Affected Vendors & Products
References
History
Fri, 08 May 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 create new VMs using backups of any other user of the environment. Backup plugin users using CloudStack 4.21.0.0+ are recommended to upgrade to CloudStack version 4.22.0.1, which fixes this issue. | |
| Title | Apache CloudStack: Any user can create a new VM from backups they should not have access to | |
| Weaknesses | CWE-359 | |
| References |
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-05-08T12:11:03.883Z
Reserved: 2025-11-22T19:26:43.923Z
Link: CVE-2025-66171
No data.
Status : Received
Published: 2026-05-08T13:16:35.483
Modified: 2026-05-08T13:16:35.483
Link: CVE-2025-66171
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OpenCVE Enrichment
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