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  5. CVE-2021-36395

CVE-2021-36395: Moodle vulnerable to Uncontrolled Resource Consumption

March 6, 2023 (updated March 7, 2025)

In Moodle, the file repository’s URL parsing required additional recursion handling to mitigate the risk of recursion denial of service.

References

  • github.com/advisories/GHSA-273w-7fxj-pcp6
  • github.com/moodle/moodle
  • moodle.org/mod/forum/discuss.php?d=424801
  • nvd.nist.gov/vuln/detail/CVE-2021-36395

Code Behaviors & Features

Detect and mitigate CVE-2021-36395 with GitLab Dependency Scanning

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Affected versions

All versions before 3.9.8, all versions starting from 3.10.0-beta before 3.10.5, all versions starting from 3.11.0-beta before 3.11.1

Fixed versions

  • 3.11.1
  • 3.10.5
  • 3.9.8

Solution

Upgrade to versions 3.10.5, 3.11.1, 3.9.8 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-400: Uncontrolled Resource Consumption
  • CWE-674: Uncontrolled Recursion

Source file

packagist/moodle/moodle/CVE-2021-36395.yml

Spotted a mistake? Edit the file on GitLab.

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