CVE-2021-44906
CRITICAL9.8EPSS 0.79%Prototype Pollution in minimist
Published: 3/18/2022Modified: 3/13/2026
Also known as:GHSA-xvch-5gv4-984h
Description
Minimist prior to 1.2.6 and 0.2.4 is vulnerable to Prototype Pollution via file `index.js`, function `setKey()` (lines 69-95).
Affected packages (2)
- Debian/node-minimistfrom 0, < 1.2.5+~cs5.3.1-2+deb11u1
- npm/minimist>= 1.0.0, < 1.2.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (16)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-44906
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-44906
- PATCHhttps://github.com/substack/minimist
- WEBhttps://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip
- WEBhttps://github.com/minimistjs/minimist/commit/34e20b8461118608703d6485326abbb8e35e1703
- WEBhttps://github.com/minimistjs/minimist/commit/bc8ecee43875261f4f17eb20b1243d3ed15e70eb
- WEBhttps://github.com/minimistjs/minimist/commit/c2b981977fa834b223b408cfb860f933c9811e4d
- WEBhttps://github.com/minimistjs/minimist/commit/ef9153fc52b6cea0744b2239921c5dcae4697f11
- WEBhttps://github.com/minimistjs/minimist/commits/v0.2.4
- WEBhttps://github.com/minimistjs/minimist/issues/11
- WEBhttps://github.com/minimistjs/minimist/pull/24
- WEBhttps://github.com/substack/minimist/blob/master/index.js#L69
- WEBhttps://github.com/substack/minimist/issues/164
- WEBhttps://security.netapp.com/advisory/ntap-20240621-0006
- WEBhttps://snyk.io/vuln/SNYK-JS-MINIMIST-559764
- WEBhttps://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068