{"id":"CVE-2021-23555","aliases":["GHSA-6pw2-5hjv-9pf7","SNYK-JS-VM2-2309905"],"url":"https://o3.security/vulnerability/CVE-2021-23555","summary":"Sandbox bypass in vm2","details":"The package vm2 before 3.9.6 are vulnerable to Sandbox Bypass via direct access to host error objects generated by node internals during generation of a stacktraces, which can lead to execution of arbitrary code on the host machine.","published":"2022-02-11T20:15:07.440Z","modified":"2026-08-07T15:13:57.523501Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"vm2","fixedVersion":"3.9.6"}],"fix":{"url":"https://github.com/patriksimek/vm2/commit/532120d5cdec7da8225fc6242e154ebabc63fe4d","label":"patriksimek/vm2@532120d"},"references":[{"type":"FIX","url":"https://github.com/patriksimek/vm2/commit/532120d5cdec7da8225fc6242e154ebabc63fe4d"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JS-VM2-2309905"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:13:57.523501Z"}}