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CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVE

CVE-2023-3519

9.8
CVSScritical
Exploitable remotely over the internet · no authentication required.
Description

Unauthenticated remote code execution

Attack Vector
Network
Privileges Req.
None
User Interaction
None
netscaler adcnetscaler gateway
Updated Nov 10, 2026View on NVD →
S4E scanner

Citrix NetScaler ADC and NetScaler Gateway - Remote Code Execution

critical unauthenticated remote code execution (RCE) vulnerability affecting Citrix ADC (NetScaler ADC) and Citrix Gateway appliances configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. Exploitation can lead to arbitrary code execution. References: https://github.com/assetnote/exploits/blob/main/citrix/CVE-2023-3519/README.md https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX561482 https://www.assetnote.io/resources/research/analysis-of-cve-2023-3519-in-citrix-adc-and-netscaler-gateway

10 assets checked · domain, subdomain, ipv4

CVE history: netscaler adc

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