7.8

CVE-2021-22921: nodejs node

CVSS: 7.8v3.1HighModified
Published 12-07-2021Last modified 30-04-2025
Open JSON

Vulnerability summary

CVE-2021-22921 is a high (CVSS 7.8) vulnerability in nodejs node. EPSS estimates a 7.41% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
43/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
7.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 12-07-2021
    PublishedVulnerability first disclosed.
  2. 30-04-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

7.41%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 7.41% on 19-09-2026

19-09-202619-10-2026
EPSS score
7.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Nodejs2 products
  • node≥ 4.0, < 4.* | ≥ 5.0, < 5.* | ≥ 6.0, < 6.* | ≥ 7.0, < 7.* | ≥ 8.0, < 8.* | ≥ 9.0, < 9.* | ≥ 10.0, < 10.* | ≥ 11.0, < 11.* | ≥ 12.0, < 12.22.2 | ≥ 13.0, < 13.* | ≥ 14.0, < 14.17.2 | ≥ 15.0, < 15.* | ≥ 16.0, < 16.4.1
  • node.js≥ 12.0.0, < 12.22.2 | ≥ 14.0.0, < 14.17.2 | ≥ 16.0.0, < 16.4.1
Siemens1 product

2 vendors · 3 products

References

4 links