{"id":"CVE-2021-31155","aliases":["GHSA-vc5p-j8vw-mc6x","RUSTSEC-2021-0101"],"url":"https://o3.security/vulnerability/CVE-2021-31155","summary":"Permissions bypass in pleaser","details":"Failure to normalize the umask in please before 0.4 allows a local attacker to gain full root privileges if they are allowed to execute at least one command.","published":"2021-05-27T13:15:08.173Z","modified":"2026-03-14T10:55:37.736064Z","cvss":{"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"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"pleaser","fixedVersion":"0.4.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://gitlab.com/edneville/please/-/tree/master/src/bin"},{"type":"EVIDENCE","url":"https://www.openwall.com/lists/oss-security/2021/05/18/1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-14T10:55:37.736064Z"}}