Cisco AsyncOS Zero-Day CVE-2025-20393 Targets Secure Email Gateway: What Security Teams Must Do Now
Cisco has formally warned customers about a critical zero-day vulnerability in Cisco AsyncOS that is already being exploited in the wild against Cisco Secure Email Gateway (SEG) and Cisco Secure Email and Web Manager (SEWM) appliances. Because a security patch is not yet available, organizations relying on these products need to implement compensating controls and … Read more