The Edge SWG must be running an operating system release that is currently supported by the vendor.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
high	V-279275	SRG-APP-000516-NDM-000351	SYME-ND-000820	SV-279275r1170586_rule	2025-12-18	1

Description
Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities. Satisfies: SRG-APP-000516-NDM-000351, SRG-APP-000457-NDM-000352

ℹ️ Check
1. Log in to the Edge SWG SSH CLI. 2. Enter "show version". If this version is not the same as the latest supported image showing on the Broadcom support site: https://support.broadcom.com/group/ecx/products, this is a finding.

✔️ Fix
1. Log in to the Broadcom Symantec Support Portal: https://support.broadcom.com/group/ecx/products. 2. Click "My Downloads". 3. Select "Cyber Security Software". 4. Search for "ISG Proxy" for the software downloads specific to Edge SWG (proxy) on ISG. 5. Expand the ISG Proxy, then scroll down for the builds. 6. Select the release to be downloaded (using 7.4.7.2 as an example) to be directed to the page containing the builds.

✔️ Fix

1. Log in to the Broadcom Symantec Support Portal: https://support.broadcom.com/group/ecx/products. 2. Click "My Downloads". 3. Select "Cyber Security Software". 4. Search for "ISG Proxy" for the software downloads specific to Edge SWG (proxy) on ISG. 5. Expand the ISG Proxy, then scroll down for the builds. 6. Select the release to be downloaded (using 7.4.7.2 as an example) to be directed to the page containing the builds.