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9.8
CRITICAL CVSS 3.1
CVE-2021-44906
Minimist Prototype Pollution Vulnerability
Description

Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).

INFO

Published Date :

March 17, 2022, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 6:31 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2021-44906 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Substack minimist
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Solution
This vulnerability can be mitigated by updating the affected packages or upgrading the product.
  • Update affected packages to the latest versions.
  • If applicable, upgrade to the latest product version.
Public PoC/Exploit Available at Github

CVE-2021-44906 has a 11 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-44906.

URL Resource
https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip Exploit Third Party Advisory
https://github.com/substack/minimist/blob/master/index.js#L69 Exploit Third Party Advisory
https://github.com/substack/minimist/issues/164 Exploit Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20240621-0006/
https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 Exploit Not Applicable Patch Third Party Advisory
https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068 Issue Tracking Third Party Advisory
https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip Exploit Third Party Advisory
https://github.com/substack/minimist/blob/master/index.js#L69 Exploit Third Party Advisory
https://github.com/substack/minimist/issues/164 Exploit Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20240621-0006/
https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 Exploit Not Applicable Patch Third Party Advisory
https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068 Issue Tracking Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-44906 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-44906 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
Prawal-Sharma/DependencyHealthChecker

None

JavaScript

Updated: 2 weeks, 4 days ago
0 stars 0 fork 0 watcher
Born at : Aug. 8, 2025, 5:09 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
aryanxsh/example-vulnerable-repo

None

Python JavaScript

Updated: 3 weeks, 6 days ago
0 stars 0 fork 0 watcher
Born at : July 29, 2025, 11:01 a.m. This repo has been linked 14 different CVEs too.
Profile Photo
scribe-security/redirect

Adjust arguments and redirect to scribehub

HTML

Updated: 4 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 29, 2025, 7 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
vulncheck-oss/action

The VulnCheck Github Action

TypeScript Shell

Updated: 1 month, 1 week ago
8 stars 0 fork 0 watcher
Born at : May 1, 2024, 9:43 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
HotDB-Community/HotDB-Engine

None

CMake Shell Perl C++ C Batchfile CSS Makefile M4 Python

Updated: 1 year, 5 months ago
34 stars 0 fork 0 watcher
Born at : Feb. 1, 2024, 11:43 a.m. This repo has been linked 71 different CVEs too.
Profile Photo
nevermoe/CVE-2021-44906

None

JavaScript

Updated: 1 year, 10 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 2, 2023, 3:20 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
seal-community/patches

A centralized repository of standalone security patches for open source libraries.

appsec backport cve devsecops fix hotfix open-source patch protection remediation seal security update upgrade vulnerability

Updated: 1 year, 1 month ago
182 stars 0 fork 0 watcher
Born at : July 30, 2023, 4:46 p.m. This repo has been linked 265 different CVEs too.
Profile Photo
trong0dn/eth-todo-list

A todo app with Etherium smart contracts using the Solidity programming language.

ethereum-contract ethereum-dapp ethereum-blockchain todo-list smart-contracts

Solidity JavaScript HTML

Updated: 1 year, 8 months ago
2 stars 2 fork 2 watcher
Born at : Jan. 4, 2022, 12:53 a.m. This repo has been linked 8 different CVEs too.
Profile Photo
MaySoMusician/geidai-ikoi

None

JavaScript Vue TypeScript SCSS CSS

Updated: 3 weeks, 2 days ago
0 stars 0 fork 0 watcher
Born at : May 2, 2021, 4:50 p.m. This repo has been linked 22 different CVEs too.
Profile Photo
git-kick/ioBroker.e3dc-rscp

Manage E3/DC power station based on RSCP

iobroker smarthome e3-dc power electricity photovoltaic

CSS JavaScript PowerShell

Updated: 1 month, 3 weeks ago
26 stars 11 fork 11 watcher
Born at : Feb. 16, 2021, 10:12 a.m. This repo has been linked 8 different CVEs too.
Profile Photo
anthonykirby/lora-packet

LoRa radio packet decoder

JavaScript TypeScript

Updated: 1 month, 1 week ago
272 stars 81 fork 81 watcher
Born at : July 18, 2016, 5:11 p.m. This repo has been linked 8 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-44906 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2021-44906 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip
    Added Reference https://github.com/substack/minimist/blob/master/index.js#L69
    Added Reference https://github.com/substack/minimist/issues/164
    Added Reference https://security.netapp.com/advisory/ntap-20240621-0006/
    Added Reference https://snyk.io/vuln/SNYK-JS-MINIMIST-559764
    Added Reference https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068
  • CVE Modified by [email protected]

    Jun. 21, 2024

    Action Type Old Value New Value
    Added Reference MITRE https://security.netapp.com/advisory/ntap-20240621-0006/ [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Apr. 12, 2022

    Action Type Old Value New Value
    Changed Reference Type https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 Exploit, Patch, Third Party Advisory https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 Exploit, Not Applicable, Patch, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:substack:minimist:*:*:*:*:*:node.js:*:* versions up to (excluding) 0.2.1 *cpe:2.3:a:substack:minimist:*:*:*:*:*:node.js:*:* versions from (including) 1.0.0 up to (excluding) 1.2.3 OR *cpe:2.3:a:substack:minimist:*:*:*:*:*:node.js:*:* versions up to (excluding) 1.2.6
  • Initial Analysis by [email protected]

    Mar. 23, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip No Types Assigned https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip Exploit, Third Party Advisory
    Changed Reference Type https://github.com/substack/minimist/blob/master/index.js#L69 No Types Assigned https://github.com/substack/minimist/blob/master/index.js#L69 Exploit, Third Party Advisory
    Changed Reference Type https://github.com/substack/minimist/issues/164 No Types Assigned https://github.com/substack/minimist/issues/164 Exploit, Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 No Types Assigned https://snyk.io/vuln/SNYK-JS-MINIMIST-559764 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068 No Types Assigned https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068 Issue Tracking, Third Party Advisory
    Added CWE NIST CWE-1321
    Added CPE Configuration OR *cpe:2.3:a:substack:minimist:*:*:*:*:*:node.js:*:* versions up to (excluding) 0.2.1 *cpe:2.3:a:substack:minimist:*:*:*:*:*:node.js:*:* versions from (including) 1.0.0 up to (excluding) 1.2.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.13 }} 0.37%

score

0.77468

percentile