CVE-2021-23363

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.

• CWE-78

• https://github.com/GuyMograbi/kill-by-port/blob/16dcbe264b6b4a5ecf409661b42836dd286fd43f/index.js%23L8Broken Link
• https://github.com/GuyMograbi/kill-by-port/commit/ea5b1f377e196a4492e05ff070eba8b30b7372c4Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JS-KILLBYPORT-1078531Exploit, Third Party Advisory
• https://github.com/GuyMograbi/kill-by-port/blob/16dcbe264b6b4a5ecf409661b42836dd286fd43f/index.js%23L8Broken Link
• https://github.com/GuyMograbi/kill-by-port/commit/ea5b1f377e196a4492e05ff070eba8b30b7372c4Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JS-KILLBYPORT-1078531Exploit, Third Party Advisory

Published

Mar 30, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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