Product · Citrix

NetScaler ADC 

24 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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Critical 9.3

CVE-2026-120864

Memory overflow in ICA proxy can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler A…

Citrix Cloud Software Group NetScaler ADC  NetScaler Gateway Network devices

Nov 13, 2026
Critical 9.3

CVE-2026-111334

Memory overflow in Endpoint Analysis (EPA/EPAS) can lead to unpredictable or erroneous behavior or a Denial of Service …

Citrix Cloud Software Group NetScaler ADC  NetScaler Gateway Network devices

Nov 13, 2026
Critical 9.3

CVE-2026-107415

Memory overflow in Email OTP authentication can lead to unpredictable or erroneous behavior or Denial of Service in Cit…

Citrix Cloud Software Group NetScaler ADC  NetScaler Gateway Network devices

Nov 13, 2026
Critical 9.4

CVE-2023-4966 Exploited · Ransomware Public exploit Scanner template EPSS 100%

Unauthenticated sensitive information disclosure

Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA  virtual server.

Citrix NetScaler ADC  NetScaler Gateway Network devices

Oct 10, 2023
KEV Oct 18, 2023
Critical 9.8

CVE-2023-3519 Exploited · Ransomware Public exploit Scanner template EPSS 100%

Unauthenticated remote code execution

Citrix NetScaler ADC  NetScaler Gateway Network devices

Jul 19, 2023
KEV Jul 19, 2023