CVE-2021-22967

HIGH

Concrete CMS <8.5.7 - Info Disclosure

Title source: llm
STIX 2.1

Description

In Concrete CMS (formerly concrete 5) below 8.5.7, IDOR Allows Unauthenticated User to Access Restricted Files If Allowed to Add Message to a Conversation.To remediate this, a check was added to verify a user has permissions to view files before attaching the files to a message in "add / edit message”.Concrete CMS security team gave this a CVSS v3.1 score of 4.3 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCredit for discovery Adrian H

References (2)

Core 2
Core References
Permissions Required x_refsource_misc
https://hackerone.com/reports/869612

Scores

CVSS v3 7.5
EPSS 0.0075
EPSS Percentile 73.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-639
Status published
Products (2)
concrete5/core 0 - 8.5.7Packagist
concretecms/concrete_cms < 8.5.7
Published Nov 19, 2021
Tracked Since Feb 18, 2026