CVE-2021-22951

HIGH

Concrete CMS <8.5.7 - Info Disclosure

Title source: llm
STIX 2.1

Description

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

References (2)

Core 2
Core References
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1102014

Scores

CVSS v3 7.5
EPSS 0.0031
EPSS Percentile 54.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-639
Status published
Products (2)
concrete5/core 0 - 8.5.7Packagist
concretecms/concrete_cms < 8.5.7
Published Nov 19, 2021
Tracked Since Feb 18, 2026