CVE-2025-6391

7.1 highEPSS 0.3%

High (7.1) in broadcom brocade active support connectivity gateway. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.1 high

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

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-532
Published: 2025-07-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

broadcom:brocade_active_support_connectivity_gateway

References

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

Check your stack JSON