{"id":"CVE-2019-18850","aliases":["EUVD-2019-8548","GHSA-xmvf-mpjx-5xvj"],"status":"published","title":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response...","description":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the \"SITE_PATH_QUERY\".","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01181,"percentile":0.67947,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-203","CWE-330"],"published":"2019-12-04T12:42:03Z","modified":"2026-10-20T10:50:51Z","products":[{"vendor":"trustedsec","product":"trevorc2"}],"references":[{"url":"https://github.com/trustedsec/trevorc2/blob/master/CHANGELOG.txt","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/trustedsec/trevorc2/issues/18","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18850"},{"url":"https://github.com/advisories/GHSA-xmvf-mpjx-5xvj"}],"sources":{"cve":[{"id":"CVE-2019-18850","description":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the \"SITE_PATH_QUERY\".","status":"published","published":"2019-12-04T12:42:03Z","modified":"2024-08-05T02:02:39.614Z","updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2019-8548","description":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the \"SITE_PATH_QUERY\".","status":"published","published":"2019-12-04T12:42:03Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:27.303586Z"}],"ghsa":[{"id":"GHSA-xmvf-mpjx-5xvj","title":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response...","description":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the \"SITE_PATH_QUERY\".","status":"published","published":"2022-05-24T17:02:41Z","modified":"2023-01-28T05:08:31Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:44:37.39101Z"}],"nvd":[{"id":"CVE-2019-18850","description":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the \"SITE_PATH_QUERY\".","status":"published","published":"2019-12-04T13:15:10.973Z","modified":"2026-06-17T02:25:28.11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203","CWE-330"],"updated_at":"2026-11-02T14:05:38.993437Z"}],"osv":[{"id":"CVE-2019-18850","description":"TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the \"SITE_PATH_QUERY\".","status":"published","published":"2019-12-04T13:15:10.973Z","modified":"2026-10-20T10:50:51.369570255Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:11.673963Z"}]}}