{"id":"CVE-2018-20781","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-20781","generatedAt":"2026-10-28T21:23:13.625Z","title":"This can expose the credential in cleartext.","description":"In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.","published":"2019-02-12T17:29:00.000Z","lastModified":"2026-06-17T01:53:28.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-522"],"affected":["gnome/gnome keyring","canonical/ubuntu linux","oracle/zfs storage appliance kit"],"epss":{"score":0.01543,"percentile":0.74831,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugzilla.gnome.org/show_bug.cgi?id=781486","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/huntergregal/mimipenguin","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3894-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.gnome.org/show_bug.cgi?id=781486","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/huntergregal/mimipenguin","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3894-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-20781","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}