On December 17, 2025 Cisco announced that they had detected a campaign exploiting a zero day in their email security devices. The vulnerability affects the physical and virtual versions of Cisco Secure Email Gateway, formerly known as Cisco Email Security Appliance (ESA), and ...

On December 17, 2025 Cisco announced that they had detected a campaign exploiting a zero day in their email security devices. The vulnerability affects the physical and virtual versions of Cisco Secure Email Gateway, formerly known as Cisco Email Security Appliance (ESA), and ...

Source: Wiz
Source Link: https://threats.wiz.io/all-incidents/china-nexus-campaign-exploits-cve-2025-20393-in-cisco-email-security-devices