CVE-2025-66170
Last modified
CVE-2025-66170 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The CloudStack Backup plugin has an improper authorization 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 has access to specific APIs can list backups from any account in the environment. EPSS estimates a 0.49% chance of exploitation in the next 30 days.
Description
The CloudStack Backup plugin has an improper authorization 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 has access to specific APIs can list backups from any account in the environment. This vulnerability does not allow them to see the contents of the backup. Users are recommended to upgrade to version 4.22.0.1, which fixes the issue.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Cloudstack | >= 4.21.0.0, < 4.22.0.1 |
References
- https://lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xmMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/05/09/1Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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