{"cve":"CVE-2019-20044","nvd":{"published":"2020-02-24T14:15:11.667","modified":"2026-06-17T02:29:53.250","status":"Modified","description":"In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().","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-273"],"references":["http://seclists.org/fulldisclosure/2020/May/49","http://seclists.org/fulldisclosure/2020/May/53","http://seclists.org/fulldisclosure/2020/May/55","http://seclists.org/fulldisclosure/2020/May/59","http://zsh.sourceforge.net/releases.html"],"products":["apple:ipados","apple:iphone_os","apple:mac_os_x","apple:tvos","apple:watchos","debian:debian_linux","fedoraproject:fedora","zsh:zsh"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2019-20044","score":0.00495,"percentile":0.42519,"date":"2026-10-31"},"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."]}