{"id":"CVE-2019-6600","aliases":["EUVD-2019-16159","GHSA-q48m-537g-pxq7"],"status":"published","title":"In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.3, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8,...","description":"In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.3, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when remote authentication is enabled for administrative users and all external users are granted the \"guest\" role, unsanitized values can be reflected to the client via the login page. This can lead to a cross-site scripting attack against unauthenticated clients.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01242,"percentile":0.69402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2019-03-13T22:00:00Z","modified":"2026-06-17T02:39:20Z","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/K23734425","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/107470","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6600"},{"url":"https://github.com/advisories/GHSA-q48m-537g-pxq7"}],"sources":{"cve":[{"id":"CVE-2019-6600","description":"In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.3, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when remote authentication is enabled for administrative users and all external users are granted the \"guest\" role, unsanitized values can be reflected to the client via the login page. This can lead to a cross-site scripting attack against unauthenticated clients.","status":"published","published":"2019-03-13T22:00:00Z","modified":"2024-09-16T16:53:39.325Z","updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-16159","description":"In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.3, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when remote authentication is enabled for administrative users and all external users are granted the \"guest\" role, unsanitized values can be reflected to the client via the login page. This can lead to a cross-site scripting attack against unauthenticated clients.","status":"published","published":"2019-03-13T22:00:00Z","modified":"2024-09-16T16:53:39Z","updated_at":"2026-11-03T00:55:47.18954Z"}],"ghsa":[{"id":"GHSA-q48m-537g-pxq7","title":"In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.3, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8,...","description":"In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.3, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when remote authentication is enabled for administrative users and all external users are granted the \"guest\" role, unsanitized values can be reflected to the client via the login page. This can lead to a cross-site scripting attack against unauthenticated clients.","status":"published","published":"2022-05-14T01:18:20Z","modified":"2023-02-02T05:03:17Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:51:36.626177Z"}],"nvd":[{"id":"CVE-2019-6600","description":"In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.3, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when remote authentication is enabled for administrative users and all external users are granted the \"guest\" role, unsanitized values can be reflected to the client via the login page. This can lead to a cross-site scripting attack against unauthenticated clients.","status":"published","published":"2019-03-13T22:29:00.55Z","modified":"2026-06-17T02:39:20.46Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:07.268578Z"}]}}