{"id":"CVE-2021-23363","aliases":["GHSA-mm4f-47ch-f7hx"],"url":"https://o3.security/vulnerability/CVE-2021-23363","summary":"Arbitrary code execution in kill-by-port","details":"This affects the package kill-by-port before 0.0.2. If (attacker-controlled) user input is given to the killByPort 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.","published":"2021-03-30T15:15:15.480Z","modified":"2026-07-09T01:24:58.570489Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"kill-by-port","fixedVersion":"0.0.2"}],"fix":{"url":"https://github.com/GuyMograbi/kill-by-port/commit/ea5b1f377e196a4492e05ff070eba8b30b7372c4","label":"GuyMograbi/kill-by-port@ea5b1f3"},"references":[{"type":"WEB","url":"https://github.com/GuyMograbi/kill-by-port/blob/16dcbe264b6b4a5ecf409661b42836dd286fd43f/index.js%23L8"},{"type":"FIX","url":"https://github.com/GuyMograbi/kill-by-port/commit/ea5b1f377e196a4492e05ff070eba8b30b7372c4"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JS-KILLBYPORT-1078531"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T01:24:58.570489Z"}}