{"id":"CVE-2021-22917","aliases":["EUVD-2021-10046","GHSA-gvj3-42m2-8xqw"],"status":"published","title":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by...","description":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0123,"percentile":0.69302,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2021-07-12T10:22:39Z","modified":"2026-10-24T10:30:53Z","products":[{"vendor":"brave","product":"browser"}],"references":[{"url":"https://hackerone.com/reports/1077022","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22917"},{"url":"https://github.com/advisories/GHSA-gvj3-42m2-8xqw"}],"sources":{"cve":[{"id":"CVE-2021-22917","description":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.","status":"published","published":"2021-07-12T10:22:39Z","modified":"2024-08-03T18:58:26.017Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-10046","description":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.","status":"published","published":"2021-07-12T10:22:39Z","modified":"2024-08-03T18:58:26Z","updated_at":"2026-11-03T03:25:01.154097Z"}],"ghsa":[{"id":"GHSA-gvj3-42m2-8xqw","title":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by...","description":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.","status":"published","published":"2022-05-24T19:07:32Z","modified":"2023-01-28T05:01:51Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:43:39.348919Z"}],"nvd":[{"id":"CVE-2021-22917","description":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.","status":"published","published":"2021-07-12T11:15:07.853Z","modified":"2026-06-17T03:38:01.15Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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":"2026-11-02T14:06:55.259633Z"}],"osv":[{"id":"CVE-2021-22917","description":"Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.","status":"published","published":"2021-07-12T11:15:07.853Z","modified":"2026-10-24T10:30:53.561066338Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.367807Z"}]}}