How to find Cisco Secure Email Gateway assets on your network

**Cisco Secure Email Gateway — CVE-2025-20393:** Cisco disclosed a critical unauthenticated remote code execution vulnerability in Secure Email Gateway (all versions except the Cloud offering) with a CVSS score of 10.0 that is reported to be actively exploited; no patch is yet available and the vendor recommends disabling the Spam Quarantine feature and isolating affected systems, while the report includes a runZero query to help find potentially vulnerable assets.