{"id":"CVE-2025-4663","aliases":["EUVD-2025-20681","GHSA-c5j5-q67x-gpcc"],"status":"published","title":"Denial-of-Service (DoS) after Unusual or Exceptional Conditions vulnerability","description":"An Improper Check for Unusual or \nExceptional Conditions vulnerability in Brocade Fabric OS before 9.2.2.a\n could allow an authenticated, network-based attacker to cause a \nDenial-of-Service (DoS).\nThe\n vulnerability is encountered when supportsave is invoked remotely, \nusing ssh command or SANnav inline ssh, and the corresponding ssh \nsession is terminated with Control C (^c ) before supportsave \ncompletion.\nThis issue affects Brocade Fabric OS 9.0.0 through 9.2.2","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00354,"percentile":0.29401,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2025-07-08T17:53:53Z","modified":"2026-06-17T09:33:44Z","products":[{"vendor":"broadcom","product":"brocade fabric os"},{"vendor":"broadcom","product":"fabric_operating_system"},{"vendor":"brocade","product":"brocade fabric os"}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35815","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4663"},{"url":"https://github.com/advisories/GHSA-c5j5-q67x-gpcc"}],"sources":{"cve":[{"id":"CVE-2025-4663","title":"Denial-of-Service (DoS) after Unusual or Exceptional Conditions vulnerability","description":"An Improper Check for Unusual or \nExceptional Conditions vulnerability in Brocade Fabric OS before 9.2.2.a\n could allow an authenticated, network-based attacker to cause a \nDenial-of-Service (DoS).\nThe\n vulnerability is encountered when supportsave is invoked remotely, \nusing ssh command or SANnav inline ssh, and the corresponding ssh \nsession is terminated with Control C (^c ) before supportsave \ncompletion.\nThis issue affects Brocade Fabric OS 9.0.0 through 9.2.2","status":"published","published":"2025-07-08T17:53:53.048Z","modified":"2025-07-08T18:02:03.446Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:32:48.512547Z"}],"euvd":[{"id":"EUVD-2025-20681","description":"An Improper Check for Unusual or \nExceptional Conditions vulnerability in Brocade Fabric OS before 9.2.2.a\n could allow an authenticated, network-based attacker to cause a \nDenial-of-Service (DoS).\nThe\n vulnerability is encountered when supportsave is invoked remotely, \nusing ssh command or SANnav inline ssh, and the corresponding ssh \nsession is terminated with Control C (^c ) before supportsave \ncompletion.\nThis issue affects Brocade Fabric OS 9.0.0 through 9.2.2","status":"published","published":"2025-07-08T17:53:53Z","modified":"2025-07-08T18:02:03Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:32:11.045947Z"}],"ghsa":[{"id":"GHSA-c5j5-q67x-gpcc","title":"An Improper Check for Unusual or \nExceptional Conditions vulnerability in Brocade Fabric OS...","description":"An Improper Check for Unusual or \nExceptional Conditions vulnerability in Brocade Fabric OS before 9.2.2.a\n could allow an authenticated, network-based attacker to cause a \nDenial-of-Service (DoS).\nThe\n vulnerability is encountered when supportsave is invoked remotely, \nusing ssh command or SANnav inline ssh, and the corresponding ssh \nsession is terminated with Control C (^c ) before supportsave \ncompletion.\nThis issue affects Brocade Fabric OS 9.0.0 through 9.2.2","status":"published","published":"2025-07-08T18:31:52Z","modified":"2026-02-02T18:31:28Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:06:00.246323Z"}],"nvd":[{"id":"CVE-2025-4663","description":"An Improper Check for Unusual or \nExceptional Conditions vulnerability in Brocade Fabric OS before 9.2.2.a\n could allow an authenticated, network-based attacker to cause a \nDenial-of-Service (DoS).\nThe\n vulnerability is encountered when supportsave is invoked remotely, \nusing ssh command or SANnav inline ssh, and the corresponding ssh \nsession is terminated with Control C (^c ) before supportsave \ncompletion.\nThis issue affects Brocade Fabric OS 9.0.0 through 9.2.2","status":"published","published":"2025-07-08T18:15:39.507Z","modified":"2026-06-17T09:33:44.457Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:11:17.727956Z"}]}}