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CVE-2021-44906
Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).
Critical9.8EPSS 4.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).
Timeline
ID reserved
By mitre
- 3 months later
· 3 months later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.3% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmminimistGHSA-xvch-5gv4-984h (opens in a new tab)
References (6)
- https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 (opens in a new tab)x_transferred
- https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip (opens in a new tab)x_transferred
- https://github.com/substack/minimist/blob/master/index.js#L69 (opens in a new tab)x_transferred
- https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068 (opens in a new tab)x_transferred
- https://github.com/substack/minimist/issues/164 (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20240621-0006/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xvch-5gv4-984h (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-44906)Record last updated .