Ad

CVE-2023-3519

CRITICAL CVSS 3.1: 9.8
Updated Oct 24, 2025
Citrix
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions 12.1 — 13.1-49.13
Fixed In 12.1-55.297
Type CWE-94 (Code Injection)
Vendor Citrix
Public PoC Yes

Unauthenticated remote code execution

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 7

Configuration From (including) Up to (excluding)
Citrix Netscaler_Application_Delivery_Controller
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
12.1 12.1-55.297
Citrix Netscaler_Application_Delivery_Controller
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
12.1 12.1-55.297
Citrix Netscaler_Application_Delivery_Controller
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
13.0 13.0-91.13
Citrix Netscaler_Application_Delivery_Controller
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
13.1 13.1-37.159
Citrix Netscaler_Application_Delivery_Controller
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
13.1 13.1-49.13
Citrix Netscaler_Gateway
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
13.0 13.0-91.13
Citrix Netscaler_Gateway
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
13.1 13.1-49.13