100+ Cisco Secure Email Devices Exposed to Zero‑Day Exploited in the Wild

Security researchers have identified at least 120 Cisco Secure Email Gateway and Cisco Secure Email and Web Manager devices vulnerable to a critical zero-day flaw that attackers are actively exploiting in the wild. The vulnerability, tracked as CVE-2025-20393, currently has no available patch, leaving organizations exposed to potential compromise. According to threat intelligence from Shadowserver […]

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