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Citrix NetScaler ADCCitrix NetScaler Memory Overflow Vulnerability

Risk 99
Severity
9.8
Exploited
Buffer Overflow
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Citrix NetScaler ADC and NetScaler Gateway contain a memory overflow vulnerability that could allow for remote code execution and/or denial of service.

1 / 2
Source: CISA
First published (updated )
CVE-2025-7775

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

Risk 81
Severity
9.3
Exploited
EPSS
4.17%
Input Validation
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

1 / 2
Source: CISA
First published (updated )
CVE-2025-5777

Citrix NetScaler ADC and NetScaler GatewayCitrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Risk 95
Severity
8.8
Exploited
Zeroday
Code Injection
AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Citrix NetScaler ADC and NetScaler Gateway contain a code injection vulnerability that allows for authenticated remote code execution on the management interface with access to NSIP, CLIP, or SNIP.

1 / 2
Source: CISA
First published (updated )
CVE-2023-6548

Citrix NetScaler ADC and NetScaler GatewayCitrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Risk 65
Severity
8.2
Exploited
Zeroday
Buffer Overflow
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for a denial-of-service when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.

1 / 2
Source: CISA
First published (updated )
CVE-2023-6549

Citrix NetScaler ADC and NetScaler GatewayUnauthenticated sensitive information disclosure

Risk 88
Severity
9.4
Exploited
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.

1 / 3
Source: CISA
First published (updated )
CVE-2023-4966

Citrix NetScaler ADC and NetScaler GatewayCitrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Risk 99
Severity
9.8
Exploited
Zeroday
Code Injection, Command Injection
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution.

1 / 2
Source: CISA
First published (updated )
CVE-2023-3519

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