CVE-2018-6849

4.3 mediumEPSS 29%

In the WebRTC component in DuckDuckGo 4.2.0, after visiting a web site that attempts to gather complete client information (such as https://ip.voidsec.com), the browser can disclose a private IP address in a STUN request.

Severity

CVSS 3.0

4.3 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS: 29% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2018-04-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

duckduckgo:duckduckgo

References

https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html
https://github.com/rapid7/metasploit-framework/pull/9538
https://news.ycombinator.com/item?id=16699270
https://voidsec.com/vpn-leak/
https://www.exploit-db.com/exploits/44403/

Check your stack JSON