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CVE-2021-22966

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CVE-2021-22966

Published: Nov 19, 2021

Modified: Aug 3, 2024

PUBLISHED

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. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: "Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )"This fix is also in Concrete version 9.0.0

VendorProductVersions

n/a

https://github.com/concrete5/concrete5

affected
Fixed in version 9 and in version 8.5.7

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