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  5. CVE-2021-22951

CVE-2021-22951: Authorization Bypass Through User-Controlled Key

November 23, 2021 (updated November 24, 2021)

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

  • documentation.concretecms.org/developers/introduction/version-history/857-release-notes
  • github.com/advisories/GHSA-rhf5-f553-xg82
  • hackerone.com/reports/1102014
  • nvd.nist.gov/vuln/detail/CVE-2021-22951

Code Behaviors & Features

Detect and mitigate CVE-2021-22951 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 8.5.7

Fixed versions

  • 8.5.7

Solution

Upgrade to version 8.5.7 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-639: Authorization Bypass Through User-Controlled Key

Source file

packagist/concrete5/core/CVE-2021-22951.yml

Spotted a mistake? Edit the file on GitLab.

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