CVE-2021-30650: Broadcom LAYER7 API Management OAuth Toolkit

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability in the Symantec Layer7 API Management OAuth Toolkit (OTK) allows a remote attacker to craft a malicious URL for the OTK web UI and target OTK users with phishing attacks or other social engineering techniques. A successful attack allows injecting malicious code into the OTK web UI client application.

Affected products

• Broadcom LAYER7 API Management OAuth Toolkit: before 4.4.1 (fixed in 4.4.1)

Published 2022-02-18. Last modified 2026-06-17.