CVEvulnerability
CVE-2021-22967
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-11-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-639
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
Affected configurations
• concretecms concrete cms (< 8.5.7)
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes Release Notes, Vendor Advisory
- https://hackerone.com/reports/869612 Permissions Required
- https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes Release Notes, Vendor Advisory
- https://hackerone.com/reports/869612 Permissions Required