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 !
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
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 96 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)

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).

Automate penetration testing workflows using an AI-powered terminal.

bingai bingo bingo-game gambling gerador go gomodules gpt minecraft minecraft-datapack modules mongodb packages react socket-io typescript vanilla-js versioning workflow

Python PowerShell Shell

Updated: 1 day ago
0 stars 0 fork 0 watcher
Born at : June 16, 2026, 4:59 a.m. This repo has been linked 24 different CVEs too.

None

JavaScript

Updated: 1 day, 11 hours ago
0 stars 0 fork 0 watcher
Born at : June 16, 2026, 3:51 a.m. This repo has been linked 3 different CVEs too.

None

JavaScript

Updated: 1 day, 11 hours ago
0 stars 0 fork 0 watcher
Born at : June 16, 2026, 3:13 a.m. This repo has been linked 3 different CVEs too.

Ox Security Assignment - Find Vulnerabilities in code repositories

Dockerfile Shell Python

Updated: 2 days, 22 hours ago
0 stars 0 fork 0 watcher
Born at : June 13, 2026, 2:52 p.m. This repo has been linked 93 different CVEs too.

Bingo - AI-powered Red Team Terminal (DeepSeek/Claude/GPT/GLM)

Python PowerShell Shell

Updated: 21 hours, 54 minutes ago
189 stars 21 fork 21 watcher
Born at : June 12, 2026, 10:26 a.m. This repo has been linked 26 different CVEs too.

None

JavaScript

Updated: 1 week ago
0 stars 1 fork 1 watcher
Born at : June 9, 2026, 7:18 p.m. This repo has been linked 11 different CVEs too.

None

JavaScript

Updated: 1 week, 1 day ago
0 stars 0 fork 0 watcher
Born at : June 8, 2026, 1:47 p.m. This repo has been linked 20 different CVEs too.

JavaScript Prototype Pollution Deep Dive : - Reconnaissance, Exploitation & Bug Bounty Guideline

Updated: 1 week, 3 days ago
0 stars 0 fork 0 watcher
Born at : June 7, 2026, 12:57 p.m. This repo has been linked 12 different CVEs too.

None

JavaScript

Updated: 1 week, 6 days ago
0 stars 0 fork 0 watcher
Born at : June 4, 2026, 9:40 a.m. This repo has been linked 4 different CVEs too.

None

JavaScript

Updated: 1 week, 6 days ago
0 stars 0 fork 0 watcher
Born at : June 4, 2026, 9:15 a.m. This repo has been linked 4 different CVEs too.

Fast, no-auth CVE scanner for Node.js. Free OSV.dev integration, single binary, CI gate.

audit ci cve dependencies lockfile monitor npm osv scanner security supply-chain vulnerabilities

JavaScript TypeScript

Updated: 2 weeks, 1 day ago
5 stars 0 fork 0 watcher
Born at : June 1, 2026, 10:57 a.m. This repo has been linked 6 different CVEs too.

One deterministic gate for your two riskiest moments: the terraform apply that reshapes your cloud, and the dependency you're about to install.

claude-code cli continuous-integration gemini-cli golang guardrails skills dependency-scanning devsecops iac mcp opentofu security supply-chain-security terraform

Makefile Go Python HCL Shell

Updated: 1 week ago
2 stars 0 fork 0 watcher
Born at : May 31, 2026, 7:34 p.m. This repo has been linked 2 different CVEs too.

Shift-left security pipeline with a vulnerability monitor that scans for commit in repositories and utilize AI to analyze diff for security patch

Dockerfile JavaScript

Updated: 5 days, 5 hours ago
0 stars 0 fork 0 watcher
Born at : May 28, 2026, 11:13 a.m. This repo has been linked 7 different CVEs too.

None

Go JavaScript HCL Python

Updated: 3 weeks, 1 day ago
0 stars 0 fork 0 watcher
Born at : May 26, 2026, 1:53 a.m. This repo has been linked 5 different CVEs too.

None

JavaScript

Updated: 3 weeks, 4 days ago
0 stars 0 fork 0 watcher
Born at : May 22, 2026, 11:45 p.m. This repo has been linked 5 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.

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.