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8.8
HIGH CVSS 3.1
CVE-2021-4229
ua-parser-js Crypto Mining backdoor
Description

A vulnerability was found in ua-parser-js 0.7.29/0.8.0/1.0.0. It has been rated as critical. This issue affects the crypto mining component which introduces a backdoor. Upgrading to version 0.7.30, 0.8.1 and 1.0.1 is able to address this issue. It is recommended to upgrade the affected component.

INFO

Published Date :

May 24, 2022, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 6:37 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2021-4229 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 Ua-parser-js_project ua-parser-js
: 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 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2021-4229 has a 2 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-2021-4229.

URL Resource
https://github.com/advisories/GHSA-pjwm-rvh2-c87w Third Party Advisory
https://github.com/faisalman/ua-parser-js/issues/536 Issue Tracking Patch Third Party Advisory
https://vuldb.com/?id.185453 Third Party Advisory VDB Entry
https://github.com/advisories/GHSA-pjwm-rvh2-c87w Third Party Advisory
https://github.com/faisalman/ua-parser-js/issues/536 Issue Tracking Patch Third Party Advisory
https://vuldb.com/?id.185453 Third Party Advisory VDB Entry
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-4229 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-2021-4229 weaknesses.

CAPEC-175: Code Inclusion Code Inclusion CAPEC-201: Serialized Data External Linking Serialized Data External Linking CAPEC-228: DTD Injection DTD Injection CAPEC-251: Local Code Inclusion Local Code Inclusion CAPEC-252: PHP Local File Inclusion PHP Local File Inclusion CAPEC-253: Remote Code Inclusion Remote Code Inclusion CAPEC-263: Force Use of Corrupted Files Force Use of Corrupted Files CAPEC-538: Open-Source Library Manipulation Open-Source Library Manipulation CAPEC-549: Local Execution of Code Local Execution of Code CAPEC-640: Inclusion of Code in Existing Process Inclusion of Code in Existing Process CAPEC-660: Root/Jailbreak Detection Evasion via Hooking Root/Jailbreak Detection Evasion via Hooking CAPEC-695: Repo Jacking Repo Jacking CAPEC-698: Install Malicious Extension Install Malicious Extension CAPEC-133: Try All Common Switches Try All Common Switches CAPEC-190: Reverse Engineer an Executable to Expose Assumed Hidden Functionality Reverse Engineer an Executable to Expose Assumed Hidden Functionality

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).

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asrar-mared/GLOBAL-ADVISORY-ARCHIVE

None

Updated: 4 days, 21 hours ago
1 stars 0 fork 0 watcher
Born at : Feb. 25, 2026, 2:42 p.m. This repo has been linked 90 different CVEs too.
Profile Photo
asrar-mared/asrar-mared

# مستودع asrar-mared هذا هو المستودع الرئيسي لمجموعة **المارد الرقمي**، نقطة التحكم المركزية التي تجمع كل المشاريع والميول التقنية تحت راية واحدة. يمثل الأساس الذي تُبنى عليه الفروع الأخرى، ويُدار منه كل شيء من تنظيم الكود إلى إدارة المجتمع. للاطلاع على المستودع: [asrar-mared](https://github.com/asrar-mared)

HTML CSS

Updated: 1 week, 2 days ago
2 stars 1 fork 1 watcher
Born at : Nov. 13, 2025, 5:30 a.m. This repo has been linked 194 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-2021-4229 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-2021-4229 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/advisories/GHSA-pjwm-rvh2-c87w
    Added Reference https://github.com/faisalman/ua-parser-js/issues/536
    Added Reference https://vuldb.com/?id.185453
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 06, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:H/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/advisories/GHSA-pjwm-rvh2-c87w No Types Assigned https://github.com/advisories/GHSA-pjwm-rvh2-c87w Third Party Advisory
    Changed Reference Type https://github.com/faisalman/ua-parser-js/issues/536 No Types Assigned https://github.com/faisalman/ua-parser-js/issues/536 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://vuldb.com/?id.185453 No Types Assigned https://vuldb.com/?id.185453 Third Party Advisory, VDB Entry
    Added CWE NIST CWE-829
    Added CPE Configuration OR *cpe:2.3:a:ua-parser-js_project:ua-parser-js:0.7.29:*:*:*:*:node.js:*:* *cpe:2.3:a:ua-parser-js_project:ua-parser-js:0.8.0:*:*:*:*:node.js:*:* *cpe:2.3:a:ua-parser-js_project:ua-parser-js:1.0.0:*:*:*:*:node.js:*:*
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: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.6
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.

0.86 }} 0.04%

score

0.74345

percentile