{"cve":"CVE-2021-23359","nvd":{"published":"2021-03-18T13:15:20.237","modified":"2026-06-17T03:38:37.253","status":"Modified","description":"This affects all versions of package port-killer. If (attacker-controlled) user input is given, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization. Running this PoC will cause the command touch success to be executed, leading to the creation of a file called success.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-78"],"references":["https://github.com/tylerjpeterson/port-killer/blob/1ca3a99ad80cc9ed5498d12b185189c10329025b/index.js%23L19","https://snyk.io/vuln/SNYK-JS-PORTKILLER-1078533","https://github.com/tylerjpeterson/port-killer/blob/1ca3a99ad80cc9ed5498d12b185189c10329025b/index.js%23L19","https://snyk.io/vuln/SNYK-JS-PORTKILLER-1078533"],"products":["port-killer_project:port-killer"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-23359","score":0.01654,"percentile":0.76566,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2548-q746-x5x6","url":"https://osv.dev/vulnerability/GHSA-2548-q746-x5x6","summary":"Code injection in port-killer","modified":"2023-11-08T04:05:05.126786Z","packages":[{"ecosystem":"npm","name":"port-killer","purl":"pkg:npm/port-killer","ranges":["<=1.0.1"],"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."]}