{"id":"CVE-2018-12021","aliases":["GHSA-4x32-h296-rg6j"],"url":"https://o3.security/vulnerability/CVE-2018-12021","summary":"Singularity Incorrect Access Control ","details":"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":"2018-07-05T18:29:00.297Z","modified":"2026-08-27T08:14:26.596277Z","cvss":{"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"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hpcng/singularity","fixedVersion":"2.5.2"}],"fix":null,"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/05/16/1"},{"type":"ADVISORY","url":"https://github.com/singularityware/singularity/releases/tag/2.5.2"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:14:26.596277Z"}}