{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66172", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2025-11-22T19:27:07.615Z", "datePublished": "2026-05-08T12:13:18.311Z", "dateUpdated": "2026-05-10T14:31:30.028Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache CloudStack", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "4.22.0.0", "status": "affected", "version": "4.21.0.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Gabriel Pordeus"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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.<br><br>Backup plugin users using CloudStack 4.21.0.0+ are recommended to upgrade to CloudStack version 4.22.0.1, which fixes this issue."}], "value": "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.\n\nBackup plugin users using CloudStack 4.21.0.0+ are recommended to upgrade to CloudStack version 4.22.0.1, which fixes this issue."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-359", "description": "CWE-359 Exposure of Private Personal Information to an Unauthorized Actor", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-05-08T12:13:18.311Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xm"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache CloudStack: Any user can attach a volume in their VMs from backups they should not have access to", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-09T03:55:52.793975Z", "id": "CVE-2025-66172", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-10T14:31:30.028Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/05/09/3"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-05-09T06:43:01.212Z"}}]}}