CVE-2023-3519NVD

Vulnerability Summary

Unauthenticated remote code execution

Severity Level

CRITICAL(9.8)

Published Date

Jul 19, 2023

Last Modified

Aug 5, 2026

PoC

Available(Metasploit, Nuclei)

Exploitation Status

ACTIVE

EPSS Score (30-Day)

99.75%Probability

Root Weakness (CWE)

CWE-94: Code Injection ↗

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.

CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Citrix Netscaler Application Delivery Controller >= 12.1 and < 12.1-55.297
Citrix Netscaler Application Delivery Controller >= 13.0 and < 13.0-91.13
Citrix Netscaler Application Delivery Controller >= 13.1 and < 13.1-37.159
Citrix Netscaler Application Delivery Controller >= 13.1 and < 13.1-49.13
Citrix Netscaler Gateway >= 13.0 and < 13.0-91.13
Citrix Netscaler Gateway >= 13.1 and < 13.1-49.13

Patched Versions

Citrix Netscaler Application Delivery Controller 12.1-55.297
Citrix Netscaler Application Delivery Controller 13.0-91.13
Citrix Netscaler Application Delivery Controller 13.1-37.159
Citrix Netscaler Application Delivery Controller 13.1-49.13
Citrix Netscaler Gateway 13.0-91.13
Citrix Netscaler Gateway 13.1-49.13

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