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TI-2021-06058 Aliases CVE-2021-23363GHSA-mm4f-47ch-f7hx

Arbitrary command injection in kill-by-port

Priority MEDIUM 42CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-78.

Summary

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.

Why it matters now

EPSS 0.01765 78th percentileScored 2026-11-07
Fix Fixed kill-by-port: 0.0.2kill-by-port (npm): 0.0.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—kill-by-portbefore 0.0.20.0.2Patch availableCNA
—kill-by-port (npm)before 0.0.20.0.2Patch availableGHSA-mm4f-47ch-f7hx
  • kill-by-port Vendor— Affected before 0.0.2 Fixed in 0.0.2 Patch available CNA
  • kill-by-port (npm) Vendor— Affected before 0.0.2 Fixed in 0.0.2 Patch available GHSA-mm4f-47ch-f7hx

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:kill-by-port_project:kill-by-port:*:*:*:*:*:node.js:*:*before 0.0.2VulnerableKill-by-port Project
  • cpe:2.3:a:kill-by-port_project:kill-by-port:*:*:*:*:*:node.js:*:* Versions before 0.0.2 Vulnerable ·Kill-by-port Project

Remediation

  • Fix · CNA kill-by-port Fixed in 0.0.2
  • Fix · GHSA-mm4f-47ch-f7hx kill-by-port (npm) Fixed in 0.0.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23363
  2. 2026-10-03 Alias added: GHSA-mm4f-47ch-f7hx

References

Sources