{"cve":"CVE-2021-23555","nvd":{"published":"2022-02-11T20:15:07.440","modified":"2026-06-17T03:38:49.220","status":"Modified","description":"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.","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":[],"references":["https://github.com/patriksimek/vm2/commit/532120d5cdec7da8225fc6242e154ebabc63fe4d","https://snyk.io/vuln/SNYK-JS-VM2-2309905","https://github.com/patriksimek/vm2/commit/532120d5cdec7da8225fc6242e154ebabc63fe4d","https://snyk.io/vuln/SNYK-JS-VM2-2309905"],"products":["vm2_project:vm2"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-23555","score":0.02876,"percentile":0.86837,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-6pw2-5hjv-9pf7","url":"https://osv.dev/vulnerability/GHSA-6pw2-5hjv-9pf7","summary":"Sandbox bypass in vm2","modified":"2026-07-08T06:49:39.240219208Z","packages":[{"ecosystem":"npm","name":"vm2","purl":"pkg:npm/vm2","ranges":["<3.9.6"],"fixed":["3.9.6"]}]}],"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."]}