CVE-2026-87425

high

Description

An unauthenticated remote attacker can modify the TLS client trust store in Brocade ASCG versions before 3.5.0. By supplying an unauthorized Certificate Authority (CA) certificate to an unauthenticated management interface, the attacker can cause the system to trust unauthorized certificates, potentially enabling Man-in-the-Middle (MITM) attacks against outbound communications with managed switches and peer nodes.

References

https://support.broadcom.com/external/content/SecurityAdvisories/0/38392

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94796

Details

Source: Mitre, NVD

Published: 2026-10-08

Updated: 2026-10-14

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:A/AC:H/Au:N/C:C/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 6.8

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

Severity: Medium

CVSS v4

Base Score: 7.6

Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00095