CVE-2025-66172

8.1 HIGH
Published: May 08, 2026 Modified: May 12, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xm
Source: security@apache.org
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/05/09/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
EPSS (Exploit Probability)
0.5%
40th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apache