Critical severity · published Mar 17, 2022
CVE-2021-44906
Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95)
9.8
CVSS
4.6%
EPSS
No
On KEV
Description
Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.6% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
Minimist · Substack
before 1.2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44906
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44906
Exploit
https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip
Exploit
https://github.com/substack/minimist/blob/master/index.js#L69
Exploit
https://github.com/substack/minimist/issues/164
security.netapp.com
https://security.netapp.com/advisory/ntap-20240621-0006/
Exploit
https://snyk.io/vuln/SNYK-JS-MINIMIST-559764
Issue Tracking
https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068
More from Minimist
5.6
CVE-2020-7598
minimist before 1.2.2 could be tricked into adding or modifying properties of Object.prototype using a "constructor" or "__proto__" payload