CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-4229
High (8.8) in ua-parser-js project ua-parser-js. EPSS 1.5% chance of exploitation in the next 30 days. Fixed in ua-parser-js 0.7.30, 0.8.1, 1.0.1.
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.
Severity
- EPSS
- 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-829, CWE-912
- Published
- Modified
- Record from
- the NVD, synced
Affected
- ua-parser-js_project:ua-parser-js
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-pjwm-rvh2-c87w | npm | ua-parser-js | >=0.7.29 <0.7.30 | 0.7.30 |
| GHSA-pjwm-rvh2-c87w | npm | ua-parser-js | >=0.8.0 <0.8.1 | 0.8.1 |
| GHSA-pjwm-rvh2-c87w | npm | ua-parser-js | >=1.0.0 <1.0.1 | 1.0.1 |