What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2021-22951.

What is the severity of CVE-2021-22951?

The severity of CVE-2021-22951 is high with a CVSS score of 7.5.

How can I fix CVE-2021-22951 in Concrete CMS?

To fix CVE-2021-22951, it is recommended to update your Concrete CMS installation to version 8.5.7 or later.

Vulnerability/
CVE-2021-22951

high

7.5

CWE

639

19/11/2021

23/11/2021

CVE-2021-22951

Q: How can unauthorized individuals view password protected files using view_inline in Concrete CMS?

Unauthorized individuals can view password protected files using view_inline in Concrete CMS prior to version 8.5.7.

First published: Fri Nov 19 2021(Updated: )

Unauthorized individuals could view password protected files using view_inline in Concrete CMS (previously concrete 5) prior to version 8.5.7. Concrete CMS now checks to see if a file has a password in view_inline and, if it does, the file is not rendered.For version 8.5.6, the following mitigations were put in place a. restricting file types for view_inline to images only b. putting a warning in the file manager to advise users.Credit for discovery: "Solar Security Research Team"Concrete CMS security team CVSS scoring is 5.3: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NThis fix is also in Concrete version 9.0.0

Credit: support@hackerone.com

Affected Software	Affected Version	How to fix
Concrete5	<8.5.7

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Frequently Asked Questions

What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-22951.
What is the severity of CVE-2021-22951?
The severity of CVE-2021-22951 is high with a CVSS score of 7.5.
How can unauthorized individuals view password protected files using view_inline in Concrete CMS?
Unauthorized individuals can view password protected files using view_inline in Concrete CMS prior to version 8.5.7.
What has Concrete CMS done to mitigate this vulnerability?
Concrete CMS now checks to see if a file has a password in view_inline and, if it does, the file is not rendered.
How can I fix CVE-2021-22951 in Concrete CMS?
To fix CVE-2021-22951, it is recommended to update your Concrete CMS installation to version 8.5.7 or later.

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