{"cve":"CVE-2021-31272","nvd":{"published":"2021-06-18T22:15:11.833","modified":"2026-06-17T03:51:31.663","status":"Modified","description":"SerenityOS before commit 3844e8569689dd476064a0759d704bc64fb3ca2c contains a directory traversal vulnerability in tar/unzip that may lead to command execution or privilege escalation.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-22"],"references":["https://github.com/SerenityOS/serenity/issues/3991","https://github.com/SerenityOS/serenity/issues/3992","https://github.com/SerenityOS/serenity/pull/5713","https://github.com/SerenityOS/serenity/pull/5713/commits/3844e8569689dd476064a0759d704bc64fb3ca2c","https://github.com/SerenityOS/serenity/issues/3991"],"products":["serenityos:serenityos"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-31272","score":0.03169,"percentile":0.88021,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}