{"id":"UBUNTU-CVE-2021-40978","details":"** DISPUTED ** The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this as described in https://github.com/mkdocs/mkdocs/issues/2601.] and https://github.com/nisdn/CVE-2021-40978/issues/1.","modified":"2021-10-07T14:15:00Z","published":"2021-10-07T14:15:00Z","withdrawn":"2025-06-23T15:54:06Z","references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-40978"},{"type":"REPORT","url":"https://github.com/nisdn/CVE-2021-40978"},{"type":"REPORT","url":"https://github.com/mkdocs/mkdocs"},{"type":"REPORT","url":"https://github.com/mkdocs/mkdocs/pull/2604"},{"type":"REPORT","url":"https://github.com/mkdocs/mkdocs/pull/2604/commits/cddc453c9d49298e60e7d56fb71130c151cbcbe5"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-40978"}],"affected":[{"package":{"name":"python-mkdocs","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/python-mkdocs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.1-3","0.14.0-1ubuntu1","0.14.0-1ubuntu2"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40978.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}