{"id":"CVE-2018-19044","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-19044","generatedAt":"2026-10-28T21:30:57.425Z","title":"This allowed local users to overwrite arbitrary files if fs.protected_symlinks is set to 0, as demonstrated by a symlink from /tmp/keepalived.data or /tmp/keepalived.stats to /etc/passwd.","description":"keepalived 2.0.8 didn't check for pathnames with symlinks when writing data to a temporary file upon a call to PrintData or PrintStats. This allowed local users to overwrite arbitrary files if fs.protected_symlinks is set to 0, as demonstrated by a symlink from /tmp/keepalived.data or /tmp/keepalived.stats to /etc/passwd.","published":"2018-11-08T20:29:00.000Z","lastModified":"2026-06-17T01:48:41.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":4.7,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-59"],"affected":["keepalived/keepalived"],"epss":{"score":0.00501,"percentile":0.42699,"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":"low","text":"Lower severity and a low EPSS score (0.50%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2019:2285","source":"cve@mitre.org"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1015141","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/acassen/keepalived/commit/04f2d32871bb3b11d7dc024039952f2fe2750306","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/acassen/keepalived/issues/1048","tags":["Exploit","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201903-01","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2285","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1015141","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/acassen/keepalived/commit/04f2d32871bb3b11d7dc024039952f2fe2750306","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/acassen/keepalived/issues/1048","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201903-01","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-19044","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."}