{"id":"CVE-2020-1887","aliases":["EUVD-2020-12713"],"status":"published","description":"Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01573,"percentile":0.7559,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295","CWE-297"],"published":"2020-03-12T23:50:15Z","modified":"2026-10-20T13:52:56Z","products":[{"vendor":"facebook","product":"osquery"},{"vendor":"linuxfoundation","product":"osquery"},{"vendor":"osquery","product":"osquery"}],"references":[{"url":"https://github.com/osquery/osquery/pull/6197","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://www.facebook.com/security/advisories/cve-2020-1887","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]}],"sources":{"cve":[{"id":"CVE-2020-1887","description":"Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.","status":"published","published":"2020-03-12T23:50:15Z","modified":"2024-08-04T06:54:00.41Z","cwes":["CWE-297"],"updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12713","description":"Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.","status":"published","published":"2020-03-12T23:50:15Z","modified":"2024-08-04T06:54:00Z","updated_at":"2026-11-03T03:08:10.95725Z"}],"nvd":[{"id":"CVE-2020-1887","description":"Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.","status":"published","published":"2020-03-13T00:15:11.557Z","modified":"2026-06-17T03:02:33.473Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-297","CWE-295"],"updated_at":"2026-11-02T14:05:55.32877Z"}],"osv":[{"id":"CVE-2020-1887","description":"Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.","status":"published","published":"2020-03-13T00:15:11.557Z","modified":"2026-10-20T13:52:56.048839687Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:44:15.212689Z"}]}}