{"cve":"CVE-2021-31155","nvd":{"published":"2021-05-27T13:15:08.173","modified":"2026-06-17T03:51:20.920","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-732"],"references":["https://gitlab.com/edneville/please/-/tree/master/src/bin","https://www.openwall.com/lists/oss-security/2021/05/18/1","https://gitlab.com/edneville/please/-/tree/master/src/bin","https://www.openwall.com/lists/oss-security/2021/05/18/1"],"products":["umask_project:umask"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-31155","score":0.00408,"percentile":0.35074,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-vc5p-j8vw-mc6x","url":"https://osv.dev/vulnerability/GHSA-vc5p-j8vw-mc6x","summary":"Permissions bypass in pleaser","modified":"2023-11-08T04:05:47.132608Z","packages":[{"ecosystem":"crates.io","name":"pleaser","purl":"pkg:cargo/pleaser","ranges":["<0.4.0"],"fixed":["0.4.0"]}]},{"id":"RUSTSEC-2021-0101","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0101","summary":"Permissions bypass in pleaser","modified":"2023-11-08T04:05:47.132608Z","packages":[{"ecosystem":"crates.io","name":"pleaser","purl":"pkg:cargo/pleaser","ranges":[">=0.0.0-0 <0.4.0"],"fixed":["0.4.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}