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  5. CVE-2021-22958

CVE-2021-22958: Server-Side Request Forgery (SSRF)

October 12, 2021 (updated October 18, 2021)

A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass the limitations in place for localhost allowing interaction with local services. Impact can vary depending on services exposed.CVSSv2.0 AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

References

  • documentation.concretecms.org/developers/introduction/version-history/855-release-notes
  • github.com/advisories/GHSA-284f-f2hw-j2gx
  • github.com/concrete5/concrete5/pull/8826
  • hackerone.com/reports/863221
  • nvd.nist.gov/vuln/detail/CVE-2021-22958

Code Behaviors & Features

Detect and mitigate CVE-2021-22958 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 8.5.5

Fixed versions

  • 8.5.5

Solution

Upgrade to version 8.5.5 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-918: Server-Side Request Forgery (SSRF)

Source file

packagist/concrete5/concrete5/CVE-2021-22958.yml

Spotted a mistake? Edit the file on GitLab.

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