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Critical · 9.8 Known exploited · Ransomware Scanner template Public exploit CVE-2023-3519 EUVD-2023-44176GHSA-m4j4-rmj5-w5gp

Unauthenticated remote code execution

Published Jul 19, 2023 · Updated Aug 5, 2026 · Assigned by Citrix

Vendor: Citrix Product: NetScaler ADC  Product: NetScaler Gateway Category: Network devices

Description

Unauthenticated remote code execution

Affected products

VendorProductAffectedFixed
Citrix NetScaler ADC 13.1 – < 49.13, 13.0 – < 91.13, 13.1-FIPS – < 37.159, 12.1-FIPS – < 55.297, 12.1-NDcPP – < 55.297 49.13
Citrix NetScaler Gateway 13.1 – < 49.13, 13.0 – < 91.13 49.13

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

GitHub 13 repositories · most starred shown

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

Advisories 1

References