Firetruck

CVE-2025-5777

KEV · Ransomware

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

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Vendor / Project
Citrix
Product
NetScaler ADC and Gateway
Date added
Jul 10, 2025
Due date
Jul 11, 2025
Known ransomware use
Known
CWEs
CWE-125

Description

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.

Notes