{"id":"DEBIAN-CVE-2021-44512","details":"World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local attacker to compromise the integrity of session handling, or obtain the read-write session ID from a read-only session symlink in this directory.","modified":"2026-09-01T20:04:34.340436231Z","published":"2021-12-07T03:15:07.160Z","upstream":["CVE-2021-44512"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-44512"}],"affected":[{"package":{"name":"tmate-ssh-server","ecosystem":"Debian:13","purl":"pkg:deb/debian/tmate-ssh-server?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-68-gd7334ee4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-44512.json"}},{"package":{"name":"tmate-ssh-server","ecosystem":"Debian:14","purl":"pkg:deb/debian/tmate-ssh-server?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-68-gd7334ee4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-44512.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}