{"id":"CVE-2021-23363","aliases":["EUVD-2021-0846","GHSA-mm4f-47ch-f7hx","SNYK-JS-KILLBYPORT-1078531"],"status":"published","title":"Arbitrary Command Injection","description":"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.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01765,"percentile":0.78387,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-77","CWE-78"],"published":"2021-03-30T15:00:15Z","modified":"2026-10-20T10:54:32Z","fixes":[{"ecosystem":"npm","package":"kill-by-port","fixed_in":["0.0.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"kill-by-port","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.2"}]}]},{"source":"osv","ecosystem":"npm","package":"kill-by-port","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.2"}]}]}],"products":[{"vendor":"kill-by-port_project","product":"kill-by-port"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-KILLBYPORT-1078531","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/GuyMograbi/kill-by-port/blob/16dcbe264b6b4a5ecf409661b42836dd286fd43f/index.js%23L8","tags":["x_refsource_MISC","x_transferred","Broken Link","web"]},{"url":"https://github.com/GuyMograbi/kill-by-port/commit/ea5b1f377e196a4492e05ff070eba8b30b7372c4","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23363","tags":["advisory"]},{"url":"https://github.com/GuyMograbi/kill-by-port/blob/16dcbe264b6b4a5ecf409661b42836dd286fd43f/index.js#23L8","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mm4f-47ch-f7hx"},{"url":"https://github.com/GuyMograbi/kill-by-port","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-23363","title":"Arbitrary Command Injection","description":"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.","status":"published","published":"2021-03-30T15:00:15.284Z","modified":"2024-09-17T01:56:52.764Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-0846","description":"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.","status":"published","published":"2021-03-30T15:00:15Z","modified":"2024-09-17T01:56:52Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P","level":"medium"}],"updated_at":"2026-11-03T00:28:44.789987Z"}],"ghsa":[{"id":"GHSA-mm4f-47ch-f7hx","title":"Arbitrary code execution in kill-by-port","description":"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.","status":"published","published":"2021-04-13T15:32:43Z","modified":"2023-01-27T05:00:53Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:36:15.574072Z"}],"nvd":[{"id":"CVE-2021-23363","description":"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.","status":"published","published":"2021-03-30T15:15:15.48Z","modified":"2026-06-17T03:38:37.63Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:51.197859Z"}],"osv":[{"id":"CVE-2021-23363","description":"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.","status":"published","published":"2021-03-30T15:15:15.48Z","modified":"2026-10-20T10:54:32.049686971Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"GHSA-mm4f-47ch-f7hx","title":"Arbitrary code execution in kill-by-port","description":"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.","status":"published","published":"2021-04-13T15:32:43Z","modified":"2026-09-10T03:49:03.753576827Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:46:52.170928Z"}]}}