{"id":"DEBIAN-CVE-2021-40978","details":"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":"2026-09-01T20:04:33.099881329Z","published":"2021-10-07T14:15:08.280Z","upstream":["CVE-2021-40978"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-40978"}],"affected":[{"package":{"name":"python-mkdocs","ecosystem":"Debian:12","purl":"pkg:deb/debian/python-mkdocs?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2+dfsg-2","1.5.2+dfsg-1","1.5.3+dfsg-1","1.5.3+dfsg-2","1.6.1+dfsg-1","1.6.1+dfsg-2","1.6.1+dfsg-3","1.6.1+dfsg1-1","1.6.1+dfsg1-2","1.6.1+dfsg1-3","1.6.1+dfsg1-4","1.6.1+dfsg1-5"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40978.json"}},{"package":{"name":"python-mkdocs","ecosystem":"Debian:13","purl":"pkg:deb/debian/python-mkdocs?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.1+dfsg1-2","1.6.1+dfsg1-3","1.6.1+dfsg1-4","1.6.1+dfsg1-5"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40978.json"}},{"package":{"name":"python-mkdocs","ecosystem":"Debian:14","purl":"pkg:deb/debian/python-mkdocs?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.1+dfsg1-2","1.6.1+dfsg1-3","1.6.1+dfsg1-4","1.6.1+dfsg1-5"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40978.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}