Description
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).
References (5)
Core 5
Core References
Release Notes, Vendor Advisory
https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notes
Release Notes, Vendor Advisory
https://documentation.concretecms.org/developers/introduction/version-history/913-release-notes
Patch, Release Notes, Third Party Advisory
https://github.com/concretecms/concretecms/releases/8.5.10
Patch, Release Notes, Third Party Advisory
https://github.com/concretecms/concretecms/releases/9.1.3
Scores
CVSS v3
6.5
EPSS
0.0099
EPSS Percentile
58.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (2)
concrete5/concrete5
0 - 8.5.10Packagist
concretecms/concrete_cms
< 8.5.10
Published
Nov 14, 2022
Tracked Since
Feb 18, 2026