THREATPORT/VULNERABILITY/CVE-2021-22921
HIGH SEVERITY

CVE-2021-22921

Node.Js vulnerability

CVSS
7.8
EPSS
7.4%
EPSS pct
94th
Exploited
No known
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 vendor
Nodejs
Affected product
Node.Js
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-732 — Incorrect Permission Assignment for Critical Resource
Published
2021-07-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 7.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2021-22921

  • Confirm whether Nodejs Node.Js is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-22921.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-22921

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