VYPR
High severity7.5NVD Advisory· Published Nov 19, 2021· Updated Jun 17, 2026

CVE-2021-22967

CVE-2021-22967

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
concrete5/corePackagist
< 8.5.78.5.7

Affected products

3

Patches

Vulnerability mechanics

References

4

News mentions

0

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