{"id":"CVE-2018-6849","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-6849","generatedAt":"2026-10-28T22:41:43.354Z","title":"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.","description":"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.","published":"2018-04-01T18:29:00.000Z","lastModified":"2026-06-17T02:02:21.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},"cwe":["CWE-200"],"affected":["duckduckgo/duckduckgo"],"epss":{"score":0.28713,"percentile":0.9813,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.27647,"percentile":0.98044},{"date":"2026-09-22","score":0.28713,"percentile":0.98055}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-04-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44403,"kind":"exploit","title":"WebRTC - Private IP Leakage (Metasploit)","url":"https://www.exploit-db.com/exploits/44403","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/44403.rb","file":"exploits/multiple/webapps/44403.rb","published":"2018-04-05","added":"2018-04-05","updated":"2018-04-05","author":"Dhiraj Mishra","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2018-6849"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 28.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/rapid7/metasploit-framework/pull/9538","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://news.ycombinator.com/item?id=16699270","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://voidsec.com/vpn-leak/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44403/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/rapid7/metasploit-framework/pull/9538","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://news.ycombinator.com/item?id=16699270","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://voidsec.com/vpn-leak/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44403/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6849","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}