CVE-2021-23379: Portkiller Project Portkiller

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

This affects all versions of package portkiller. 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.

Affected products

Published 2021-04-18. Last modified 2026-06-17.