CVE-2021-22921: Node.js

High severity, CVSS 7.8. EPSS: 7.4% chance of exploitation in the next 30 days.

Node.js before 16.4.1, 14.17.2, and 12.22.2 is vulnerable to local privilege escalation attacks under certain conditions on Windows platforms. More specifically, improper configuration of permissions in the installation directory allows an attacker to perform two different escalation attacks: PATH and DLL hijacking.

Affected products

• Node.js Node.js: from 12.0.0, before 12.22.2 (fixed in 12.22.2); from 14.0.0, before 14.17.2 (fixed in 14.17.2); from 16.0.0, before 16.4.1 (fixed in 16.4.1)
• Siemens Sinec Infrastructure Network Services: before 1.0.1.1 (fixed in 1.0.1.1)

Published 2021-07-12. Last modified 2026-06-17.