{"id":"CVE-2018-6608","aliases":["EUVD-2018-18355","GHSA-qjf3-7m2g-x594"],"status":"published","title":"In the WebRTC component in Opera 51.0.2830.55, after visiting a web site that attempts to gather...","description":"In the WebRTC component in Opera 51.0.2830.55, 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":"2026-11-08","score":0.03241,"percentile":0.88381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2018-03-28T21:00:00Z","modified":"2026-06-17T02:02:05Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"https://github.com/VoidSec/WebRTC-Leak","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://voidsec.com/vpn-leak/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://news.ycombinator.com/item?id=16699270","tags":["x_refsource_MISC","x_transferred","Issue Tracking"]},{"url":"https://docs.google.com/spreadsheets/d/1Nm7mxfFvmdn-3Az-BtE5O0BIdbJiIAWUnkoAF_v_0ug/edit?usp=sharing","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.bleepingcomputer.com/news/security/many-vpn-providers-leak-customers-ip-address-via-webrtc-bug/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6608"},{"url":"https://github.com/advisories/GHSA-qjf3-7m2g-x594"}],"sources":{"cve":[{"id":"CVE-2018-6608","description":"In the WebRTC component in Opera 51.0.2830.55, 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":"2018-03-28T21:00:00Z","modified":"2024-08-05T06:10:10.657Z","updated_at":"2026-11-02T14:35:06.320867Z"}],"euvd":[{"id":"EUVD-2018-18355","description":"In the WebRTC component in Opera 51.0.2830.55, 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":"2018-03-28T21:00:00Z","modified":"2024-08-05T06:10:10Z","updated_at":"2026-11-03T02:40:07.640255Z"}],"ghsa":[{"id":"GHSA-qjf3-7m2g-x594","title":"In the WebRTC component in Opera 51.0.2830.55, after visiting a web site that attempts to gather...","description":"In the WebRTC component in Opera 51.0.2830.55, 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":"2022-05-14T03:29:54Z","modified":"2023-02-02T05:08:24Z","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":"2026-11-02T14:52:44.255603Z"}],"nvd":[{"id":"CVE-2018-6608","description":"In the WebRTC component in Opera 51.0.2830.55, 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":"2018-03-28T21:29:00.257Z","modified":"2026-06-17T02:02:05.44Z","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"}]}}