{"id":"CVE-2026-85421","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-85421","generatedAt":"2026-10-28T01:19:10.892Z","title":"A critical security vulnerability has been identified in Brocade ASCG versions before 3.5.0.","description":"A critical security vulnerability has been identified in Brocade ASCG versions before 3.5.0. The HTTPS service fails to properly enforce authentication or access control checks on incoming requests. An unauthenticated attacker with network access can issue control commands, alter cluster states, and modify system configurations, leading to a complete compromise of the streaming service control plane.","published":"2026-10-08T07:16:32.000Z","lastModified":"2026-10-14T18:46:29.000Z","status":"Analyzed","sourceIdentifier":"sirt@brocade.com","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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/M"},"cwe":["CWE-306"],"affected":["broadcom/brocade active support connectivity gateway"],"epss":{"score":0.00222,"percentile":0.12711,"date":"2026-10-26","history":[{"date":"2026-10-08","score":0.00194,"percentile":0.0831}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-08T07:16:32.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-10-08T07:16:31.883Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://support.broadcom.com/external/content/SecurityAdvisories/0/38378","tags":["Vendor Advisory"],"source":"sirt@brocade.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-85421","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}