by Kastro
Paper/Archive/CVE-2025-6391

CVE-2025-6391

Broadcom Brocade ASCG — JSON Web Token (JWT) Exposure in Log Files

EPSS 0.3%CVSS 9.1
critical.is priorityof 100
31
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 19.0.190 × 203.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Brocade ASCG before 3.3.0 logs JSON Web Tokens (JWT) in log files. An attacker with access to the log files can withdraw the unencrypted tokens with security implications, such as unauthorized access, session hijacking, and information disclosure.

Affected

ProductAffectedFixed inSource
Brocade ASCGbefore 3.3.0–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
brocade (CNA)7.1CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refsupport.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35951