CVE-2023-3519

CriticalPublished

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Published: Jul 19, 2023
Updated: Aug 5, 2026
Assigning CNA: Citrix
Evidence observed: Jul 19, 2023

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

99.7%

High · next 30 days

Percentile: 100.0%
Model date: Oct 15, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

Unauthenticated remote code execution

Sources

Repository evidence: Files: 2 · Repositories: 2

1 Module1 Template

Citrix ADC (NetScaler) Forms SSO Target RCEModule
modules/exploits/freebsd/http/citrix_formssso_target_rce.rb
Metasploit Framework modules
ExploitEvidence observed: Sep 26, 2026Revision: b22ce1fbae63Related tool
Declared conditions
- platform: Unix($.exploit_freebsd/http/citrix_formssso_target_rce.platform)
- verification: check_declared($.exploit_freebsd/http/citrix_formssso_target_rce.check)
Citrix NetScaler ADC and NetScaler Gateway - Remote Code ExecutionTemplate
http/cves/2023/CVE-2023-3519.yaml
Nuclei Templates
DetectionEvidence observed: Sep 26, 2026Revision: 17f5725dc10cRelated tool
Declared conditions
- network: http($.protocol_keys)
- verification: dsl($.matchers[*].type)

CVE-2023-3519

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