CVE-2016-10257: Broadcom Advanced Secure Gateway

Medium severity, CVSS 6.1. EPSS: 1.5% chance of exploitation in the next 30 days.

The Symantec Advanced Secure Gateway (ASG) 6.6, ASG 6.7 (prior to 6.7.2.1), ProxySG 6.5 (prior to 6.5.10.6), ProxySG 6.6, and ProxySG 6.7 (prior to 6.7.2.1) management console is susceptible to a reflected XSS vulnerability. A remote attacker can use a crafted management console URL in a phishing attack to inject arbitrary JavaScript code into the management console web client application. This is a separate vulnerability from CVE-2016-10256.

Affected products

• Broadcom Advanced Secure Gateway: from 6.7, before 6.7.2.1 (fixed in 6.7.2.1); version 6.6 only
• Broadcom Symantec Proxysg: from 6.5, before 6.5.10.6 (fixed in 6.5.10.6); from 6.7, before 6.7.2.1 (fixed in 6.7.2.1); version 6.6 only

Published 2018-01-10. Last modified 2026-06-17.