CVE-2023-5648 Missing authorization in Active Support Connectivity Gateway

Medium 6.5 Published 8 Oct 2026 Updated 8 Oct 2026

Missing security headers in Brocade ASCG allow unauthenticated attackers to perform XSS, clickjacking, and information disclosure attacks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-5648?

CVE-2023-5648 is a medium-severity missing authorization vulnerability in Brocade Active Support Connectivity Gateway, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In Brocade ASCG before Brocade ASCG v3.0, several security-related HTTP Headers were missing in various Brocade ASCG URL paths, aiding unauthenticated attackers to perform attacks such as Cross-Site Scripting, Clickjacking, Information disclosure, and more.

Weakness: CWE-79

Which versions are affected by CVE-2023-5648?

It affects 1 product.

Products include Broadcom Brocade Active Support Connectivity Gateway.

How do I fix CVE-2023-5648?

No fix has been published for CVE-2023-5648 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-5648 being exploited?

There is no known exploitation of CVE-2023-5648 in the wild and no public exploit code.

Sources

Also known as GHSA-9x8h-cw2r-2x9h.