{"id":"CVE-2017-5243","aliases":["EUVD-2017-14348","GHSA-p52h-rp33-x9gq"],"status":"published","title":"The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does...","description":"The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does not specify desired algorithms for key exchange and other important functions. As a result, it falls back to allowing ALL algorithms supported by the relevant version of OpenSSH and makes the installations vulnerable to a range of MITM, downgrade, and decryption attacks.","severity":{"version":"3.0","score":8.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00507,"percentile":0.43549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2017-06-06T16:00:00Z","modified":"2026-06-17T01:20:14Z","products":[{"vendor":"rapid7","product":"nexpose"},{"vendor":"rapid7","product":"nexpose hardware appliance"}],"references":[{"url":"https://community.rapid7.com/community/nexpose/blog/2017/05/31/r7-2017-13-nexpose-hardware-appliance-ssh-enabled-obsolete-algorithms-cve-2017-5243","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-5243"},{"url":"https://github.com/advisories/GHSA-p52h-rp33-x9gq"}],"sources":{"cve":[{"id":"CVE-2017-5243","description":"The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does not specify desired algorithms for key exchange and other important functions. As a result, it falls back to allowing ALL algorithms supported by the relevant version of OpenSSH and makes the installations vulnerable to a range of MITM, downgrade, and decryption attacks.","status":"published","published":"2017-06-06T16:00:00Z","modified":"2024-08-05T14:55:35.807Z","cwes":["CWE-327"],"updated_at":"2026-11-02T14:33:12.599234Z"}],"euvd":[{"id":"EUVD-2017-14348","description":"The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does not specify desired algorithms for key exchange and other important functions. As a result, it falls back to allowing ALL algorithms supported by the relevant version of OpenSSH and makes the installations vulnerable to a range of MITM, downgrade, and decryption attacks.","status":"published","published":"2017-06-06T16:00:00Z","modified":"2024-08-05T14:55:35Z","updated_at":"2026-11-03T02:39:16.415448Z"}],"ghsa":[{"id":"GHSA-p52h-rp33-x9gq","title":"The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does...","description":"The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does not specify desired algorithms for key exchange and other important functions. As a result, it falls back to allowing ALL algorithms supported by the relevant version of OpenSSH and makes the installations vulnerable to a range of MITM, downgrade, and decryption attacks.","status":"published","published":"2022-05-13T01:36:38Z","modified":"2023-02-01T05:09:01Z","cvss":[{"version":"3.0","score":8.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:50:54.417127Z"}],"nvd":[{"id":"CVE-2017-5243","description":"The default SSH configuration in Rapid7 Nexpose hardware appliances shipped before June 2017 does not specify desired algorithms for key exchange and other important functions. As a result, it falls back to allowing ALL algorithms supported by the relevant version of OpenSSH and makes the installations vulnerable to a range of MITM, downgrade, and decryption attacks.","status":"published","published":"2017-06-06T16:29:00.173Z","modified":"2026-06-17T01:20:14.113Z","cvss":[{"version":"3.0","score":8.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:03:49.449157Z"}]}}