CVE-2021-22921

7.8 highEPSS 7.4%

High (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.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 7.4% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWE: CWE-732
Published: 2021-07-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nodejs:node.js
siemens:sinec_infrastructure_network_services

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

Check your stack JSON