{"id":"CVE-2017-11506","aliases":["EUVD-2017-3123","GHSA-rgmc-q3r4-jxvv"],"status":"published","title":"When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11...","description":"When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00571,"percentile":0.47483,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2017-08-09T12:00:00Z","modified":"2026-06-17T01:01:54Z","products":[{"vendor":"tenable","product":"nessus"}],"references":[{"url":"https://www.tenable.com/security/tns-2017-11","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1039141","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11506"},{"url":"https://github.com/advisories/GHSA-rgmc-q3r4-jxvv"}],"sources":{"cve":[{"id":"CVE-2017-11506","description":"When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.","status":"published","published":"2017-08-09T12:00:00Z","modified":"2024-09-17T03:34:29.415Z","updated_at":"2026-11-02T14:33:19.848632Z"}],"euvd":[{"id":"EUVD-2017-3123","description":"When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.","status":"published","published":"2017-08-09T12:00:00Z","modified":"2024-09-17T03:34:29Z","updated_at":"2026-11-03T00:28:30.275492Z"}],"ghsa":[{"id":"GHSA-rgmc-q3r4-jxvv","title":"When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11...","description":"When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.","status":"published","published":"2022-05-17T01:57:47Z","modified":"2023-02-03T05:06:33Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:53:55.296222Z"}],"nvd":[{"id":"CVE-2017-11506","description":"When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.","status":"published","published":"2017-08-09T12:29:00.257Z","modified":"2026-06-17T01:01:54.723Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","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-295"],"updated_at":"2026-11-02T14:03:57.282351Z"}]}}
