What’s Vulnerable › Vulnerabilities

CVE-2021-22921

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-12 · updated 2026-06-17
• Weakness: CWE-732

Description

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: from 12.0.0 before 12.22.2; from 14.0.0 before 14.17.2; from 16.0.0 before 16.4.1 — fixed in 12.22.2, 14.17.2, 16.4.1
• Siemens Sinec Infrastructure Network Services: before 1.0.1.1 — fixed in 1.0.1.1

How to fix

Upgrade to a fixed version: Node.js 12.22.2, 14.17.2, 16.4.1; Siemens Sinec Infrastructure Network Services 1.0.1.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• https://hackerone.com/reports/1211160
• https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/
• https://security.netapp.com/advisory/ntap-20210805-0003/
• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• https://hackerone.com/reports/1211160
• https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/
• https://security.netapp.com/advisory/ntap-20210805-0003/

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