{"id":"CVE-2018-6849","aliases":["EUVD-2018-18595","GHSA-637h-2rp3-w54w"],"status":"published","title":"In the WebRTC component in DuckDuckGo 4.2.0, after visiting a web site that attempts to gather...","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.","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.28713,"percentile":0.98153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200"],"published":"2018-04-01T18:00:00Z","modified":"2026-10-24T10:30:55Z","exploits":[{"source":"exploitdb","id":"EDB-44403","title":"WebRTC - Private IP Leakage (Metasploit)","type":"webapps","platform":"multiple","date":"2018-04-05","url":"https://www.exploit-db.com/exploits/44403"},{"source":"metasploit","id":"auxiliary/gather/browser_lanipleak","title":"HTTP Client LAN IP Address Gather","type":"auxiliary","date":"2013-09-05","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/gather/browser_lanipleak"}],"products":[{"vendor":"duckduckgo","product":"duckduckgo"}],"references":[{"url":"https://github.com/rapid7/metasploit-framework/pull/9538","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://voidsec.com/vpn-leak/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.exploit-db.com/exploits/44403/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://news.ycombinator.com/item?id=16699270","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6849"},{"url":"https://github.com/advisories/GHSA-637h-2rp3-w54w"}],"sources":{"cve":[{"id":"CVE-2018-6849","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.","status":"published","published":"2018-04-01T18:00:00Z","modified":"2024-08-05T06:17:15.825Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2018-18595","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.","status":"published","published":"2018-04-01T18:00:00Z","modified":"2024-08-05T06:17:15Z","updated_at":"2026-11-03T02:40:07.110514Z"}],"ghsa":[{"id":"GHSA-637h-2rp3-w54w","title":"In the WebRTC component in DuckDuckGo 4.2.0, after visiting a web site that attempts to gather...","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.","status":"published","published":"2022-05-14T03:23:49Z","modified":"2023-02-02T05:08:11Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:52:41.430242Z"}],"nvd":[{"id":"CVE-2018-6849","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.","status":"published","published":"2018-04-01T18:29:00.227Z","modified":"2026-06-17T02:02:21.22Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:24.700429Z"}],"osv":[{"id":"CVE-2018-6849","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.","status":"published","published":"2018-04-01T18:29:00.227Z","modified":"2026-10-24T10:30:55.995345022Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:09.74357Z"}]}}