CVE-2021-4229
HIGHCVSS 8.8/10EPSS 1.31%
Last modified
CVE-2021-4229 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in ua-parser-js 0.7.29/0.8.0/1.0.0. It has been rated as critical. EPSS estimates a 1.31% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ua-Parser-Js Project | Ua-Parser-Js | 0.7.29 |
| Ua-Parser-Js Project | Ua-Parser-Js | 0.8.0 |
| Ua-Parser-Js Project | Ua-Parser-Js | 1.0.0 |
References
- https://github.com/advisories/GHSA-pjwm-rvh2-c87wThird Party Advisory
- https://github.com/faisalman/ua-parser-js/issues/536Issue Tracking, Patch, Third Party Advisory
- https://vuldb.com/?id.185453Third Party Advisory, VDB Entry
- https://github.com/advisories/GHSA-pjwm-rvh2-c87wThird Party Advisory
- https://github.com/faisalman/ua-parser-js/issues/536Issue Tracking, Patch, Third Party Advisory
- https://vuldb.com/?id.185453Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-4229?
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.
How severe is CVE-2021-4229?
CVE-2021-4229 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.
How do I fix CVE-2021-4229?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-4229?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST