In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
https://github.com/concretecms/concretecms/releases/9.1.3
https://github.com/concretecms/concretecms/releases/8.5.10
https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31
https://documentation.concretecms.org/developers/introduction/version-history/913-release-notes
https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notes
Source: Mitre, NVD
Published: 2022-11-14
Updated: 2025-04-30
Base Score: 6.8
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00203