{"cve":"CVE-2021-23355","nvd":{"published":"2021-03-15T17:15:21.410","modified":"2026-06-17T03:38:36.700","status":"Modified","description":"This affects all versions of package ps-kill. If (attacker-controlled) user input is given to the kill function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization in the index.js file. PoC (provided by reporter): var ps_kill = require('ps-kill'); ps_kill.kill('$(touch success)',function(){});","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-78"],"references":["https://snyk.io/vuln/SNYK-JS-PSKILL-1078529","https://snyk.io/vuln/SNYK-JS-PSKILL-1078529"],"products":["ps-kill_project:ps-kill"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-23355","score":0.01201,"percentile":0.68211,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7qmm-q394-fmch","url":"https://osv.dev/vulnerability/GHSA-7qmm-q394-fmch","summary":"Command Injection in ps-kill","modified":"2023-11-08T04:05:04.939274Z","packages":[{"ecosystem":"npm","name":"ps-kill","purl":"pkg:npm/ps-kill","ranges":["<=1.0.0"],"fixed":[]}]}],"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."]}