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Actively Exploited Vulnerabilities

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CVE-2025-5777

Citrix | NetScaler ADC and GatewayAdded 2025-07-10Remediation Deadline 2025-07-11Active Ransomware Campaign

Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability

Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.

Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weakness Classification

CWE-125

References