{"id":"CVE-2018-5542","aliases":["EUVD-2018-17311","GHSA-r46f-ff56-r5rx"],"status":"published","title":"F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not...","description":"F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01236,"percentile":0.69255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-07-25T14:00:00Z","modified":"2026-06-17T02:00:30Z","products":[{"vendor":"f5","product":"big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator)"},{"vendor":"f5","product":"big-ip_access_policy_manager"},{"vendor":"f5","product":"big-ip_advanced_firewall_manager"},{"vendor":"f5","product":"big-ip_analytics"},{"vendor":"f5","product":"big-ip_application_acceleration_manager"},{"vendor":"f5","product":"big-ip_application_security_manager"},{"vendor":"f5","product":"big-ip_domain_name_system"},{"vendor":"f5","product":"big-ip_edge_gateway"},{"vendor":"f5","product":"big-ip_fraud_protection_service"},{"vendor":"f5","product":"big-ip_global_traffic_manager"},{"vendor":"f5","product":"big-ip_link_controller"},{"vendor":"f5","product":"big-ip_local_traffic_manager"},{"vendor":"f5","product":"big-ip_policy_enforcement_manager"},{"vendor":"f5","product":"big-ip_webaccelerator"},{"vendor":"f5 networks, inc.","product":"big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator)"}],"references":[{"url":"https://support.f5.com/csp/article/K05112543","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5542"},{"url":"https://github.com/advisories/GHSA-r46f-ff56-r5rx"}],"sources":{"cve":[{"id":"CVE-2018-5542","description":"F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.","status":"published","published":"2018-07-25T14:00:00Z","modified":"2024-09-16T23:30:27.215Z","updated_at":"2026-11-02T14:35:00.948726Z"}],"euvd":[{"id":"EUVD-2018-17311","description":"F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.","status":"published","published":"2018-07-25T14:00:00Z","modified":"2024-09-16T23:30:27Z","updated_at":"2026-11-03T00:54:50.364031Z"}],"ghsa":[{"id":"GHSA-r46f-ff56-r5rx","title":"F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not...","description":"F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.","status":"published","published":"2022-05-14T02:59:17Z","modified":"2023-02-02T05:06:43Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:21.13569Z"}],"nvd":[{"id":"CVE-2018-5542","description":"F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.","status":"published","published":"2018-07-25T14:29:00.54Z","modified":"2026-06-17T02:00:30.043Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/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-20"],"updated_at":"2026-11-02T14:04:33.865124Z"}]}}