CVE-2025-66172
8.1 · HIGHOverview
CVE-2025-66172 is a high-severity vulnerability affecting apache cloudstack. It was published on May 8, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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 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.
Remediation
Check the references section for vendor advisories and patches from apache. Update cloudstack to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | cloudstack | >= 4.21.0.0, < 4.22.0.1 | Affected |
Frequently Asked Questions
What is CVE-2025-66172?
CVE-2025-66172 is a high-severity vulnerability affecting apache cloudstack. It was published on May 8, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2025-66172?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-66172?
Check the references section for vendor advisories and patches from apache. Update cloudstack to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-66172?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-66172 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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