AWS dug through its honeypot data and confirmed that CVE-2025-5777 (Cisco ISE RCE) and CVE-2025-5777 (memory leak in Citrix NetScaler) were exploited as zero-days before their patches.
Nothing new here except the confirmation that an APT was behind the attacks
Amazon discovers APT exploiting Cisco and Citrix zero-days | Amazon Web Services
The Amazon threat intelligence team has identified an advanced threat actor exploiting previously undisclosed zero-day vulnerabilities in Cisco Identity Service Engine (ISE) and Citrix systems. The campaign used custom malware and demonstrated access to multiple undisclosed vulnerabilities. This discovery highlights the trend of threat actors focusing on critical identity and network access control infrastructure—the systems […]
Amazon Web Services (aws.amazon.com)
