Vulnerability Details CVE-2025-66170
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.3%
CVSS Severity
CVSS v3 Score 6.5
References
Products affected by CVE-2025-66170
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cpe:2.3:a:apache:cloudstack:4.21.0.0
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cpe:2.3:a:apache:cloudstack:4.22.0.0