{"id":"GHSA-j4mv-2rv7-v2j9","aliases":["CVE-2021-22966"],"title":"Improper Privilege Management in Concrete CMS ","description":"Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted \"view\" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved.","severity":"high","score":8.8,"published":"2021-11-23T18:18:07.000Z","modified":"2023-11-08T04:05:02.309Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"concrete5/core","ranges":[{"events":[{"introduced":"0"},{"fixed":"8.5.7"}],"type":"ECOSYSTEM"}],"versions":["8.2.0","8.2.0RC2","8.2.1","8.3.0","8.3.1","8.3.2","8.4.0","8.4.0RC3","8.4.0RC4","8.4.1","8.4.2","8.4.3","8.4.4","8.4.5","8.5.0","8.5.0RC1","8.5.0RC2","8.5.1","8.5.2","8.5.3","8.5.4","8.5.5","8.5.6","8.5.6RC1"],"fixed":["8.5.7"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2021-22966","https://hackerone.com/reports/1362747","https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes"],"sources":[{"name":"OSV","id":"GHSA-j4mv-2rv7-v2j9","modified":"2023-11-08T04:05:02.309372Z","url":"https://osv.dev/vulnerability/GHSA-j4mv-2rv7-v2j9"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8}]}