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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.75% Top 30%
Vendor Advisory concretecms.org
Affected: n/a https://github.com/concrete5/concrete5
Published at:
Updated at:

References

Link Tags
https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes release notes vendor advisory
https://hackerone.com/reports/869612 permissions required

Frequently Asked Questions

What is the severity of CVE-2021-22967?
CVE-2021-22967 has been scored as a high severity vulnerability.
How to fix CVE-2021-22967?
To fix CVE-2021-22967, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22967 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22967 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22967?
CVE-2021-22967 affects n/a https://github.com/concrete5/concrete5.
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