CVE-2021-22967

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...

Design/Logic Flaw

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...

CVE-2021-22967

Concrete CMS (formerly concrete5) before 8.5.7 is affected by CVE-2021-22967, an improper access control that allows an unauthenticated user to access restricted files when they can add a message to a conversation (IDOR). The root cause is an insufficient permission check when attaching files to ...