Backdoor in ua-parser-js NPM repository
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-4229 |
| CWE-ID | CWE-506 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
UAParser.js Web applications / JS libraries |
| Vendor | Faisal Salman |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Embedded malicious code (backdoor)
EUVDB-ID: #VU57636
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-4229
CWE-ID:
CWE-506 - Embedded Malicious Code
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to the application.
The vulnerability exists due to presence of embedded malicious functionality in the application code (aka backdoor) that allows a remote attacker to gain unauthorized access to the application.
MitigationInstall updates from vendor's website.
Vulnerable software versionsUAParser.js: 0.7.29 - 1.0.0
External linkshttp://github.com/faisalman/ua-parser-js/issues/536
http://github.com/advisories/GHSA-pjwm-rvh2-c87w
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
