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Zero-Day Exploits Target Cisco ISE and Citrix Vulnerabilities

Zero-Day Exploits Target Cisco ISE and Citrix Vulnerabilities

First seen 13 Nov 2025, 17:30 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Amazon reported that a threat actor is exploiting two critical vulnerabilities, CVE-2025-20337 and CVE-2025-5777, in Cisco ISE and Citrix products as zero-days. These vulnerabilities have been identified as being targeted by an advanced persistent threat actor.

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