{"id":"CVE-2018-12021","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-12021","generatedAt":"2026-10-29T00:07:54.415Z","title":"When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.","description":"Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.","published":"2018-07-05T18:29:00.000Z","lastModified":"2026-06-17T01:37:01.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200"],"affected":["sylabs/singularity"],"epss":{"score":0.01465,"percentile":0.73516,"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 (1.47%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2019/05/16/1","source":"cve@mitre.org"},{"url":"https://github.com/singularityware/singularity/releases/tag/2.5.2","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2019/05/16/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/singularityware/singularity/releases/tag/2.5.2","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-12021","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."}