{"id":"CVE-2025-6391","aliases":["EUVD-2025-21828","GHSA-cqgv-gr59-9qf6"],"status":"published","title":"JSON Web Token (JWT) Exposure in Log Files","description":"Brocade ASCG before 3.3.0 logs JSON \nWeb Tokens (JWT) in log files. An attacker with access to the log files \n can withdraw the unencrypted tokens with security implications, such as\n unauthorized access, session hijacking, and information disclosure.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00268,"percentile":0.19052,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-532"],"published":"2025-07-17T21:45:27Z","modified":"2026-06-17T10:01:47Z","products":[{"vendor":"broadcom","product":"brocade ascg"},{"vendor":"broadcom","product":"brocade_active_support_connectivity_gateway"}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35951","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6391"},{"url":"https://github.com/advisories/GHSA-cqgv-gr59-9qf6"}],"sources":{"cve":[{"id":"CVE-2025-6391","title":"JSON Web Token (JWT) Exposure in Log Files","description":"Brocade ASCG before 3.3.0 logs JSON \nWeb Tokens (JWT) in log files. An attacker with access to the log files \n can withdraw the unencrypted tokens with security implications, such as\n unauthorized access, session hijacking, and information disclosure.","status":"published","published":"2025-07-17T21:45:27.024Z","modified":"2025-07-18T14:11:11.224Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T14:32:40.774223Z"}],"euvd":[{"id":"EUVD-2025-21828","description":"Brocade ASCG before 3.3.0 logs JSON \nWeb Tokens (JWT) in log files. An attacker with access to the log files \n can withdraw the unencrypted tokens with security implications, such as\n unauthorized access, session hijacking, and information disclosure.","status":"published","published":"2025-07-17T21:45:27Z","modified":"2025-07-18T14:11:11Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T20:32:07.018976Z"}],"ghsa":[{"id":"GHSA-cqgv-gr59-9qf6","title":"Brocade ASCG before 3.3.0 logs JSON \nWeb Tokens (JWT) in log files. An attacker with access to...","description":"Brocade ASCG before 3.3.0 logs JSON \nWeb Tokens (JWT) in log files. An attacker with access to the log files \n can withdraw the unencrypted tokens with security implications, such as\n unauthorized access, session hijacking, and information disclosure.","status":"published","published":"2025-07-18T00:30:31Z","modified":"2026-02-02T15:30:32Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T15:06:00.246323Z"}],"nvd":[{"id":"CVE-2025-6391","description":"Brocade ASCG before 3.3.0 logs JSON \nWeb Tokens (JWT) in log files. An attacker with access to the log files \n can withdraw the unencrypted tokens with security implications, such as\n unauthorized access, session hijacking, and information disclosure.","status":"published","published":"2025-07-17T22:15:26.263Z","modified":"2026-06-17T10:01:47.267Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T14:11:18.782156Z"}]}}