CVE-2021-4229 is a critical vulnerability affecting ua-parser-js versions 0.7.29, 0.8.0, and 1.0.0, where a backdoor was introduced via a crypto mining component. With a CVSS score of 8.8 (High), this vulnerability can be exploited remotely with low attack complexity, potentially leading to high impact on confidentiality, integrity, and availability. While the vulnerability is not listed in CISA's KEV catalog and no public exploit code or significant community discussion has been observed, immediate upgrade to versions 0.7.30, 0.8.1, or 1.0.1 is strongly recommended to mitigate the risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.7.29CPE matchmatch criteria | cpe:2.3:a:ua-parser-js_project:ua-parser-js:0.7.29:*:*:*:*:node.js:*:* | ||
0.8.0CPE matchmatch criteria | cpe:2.3:a:ua-parser-js_project:ua-parser-js:0.8.0:*:*:*:*:node.js:*:* | ||
1.0.0CPE matchmatch criteria | cpe:2.3:a:ua-parser-js_project:ua-parser-js:1.0.0:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.