July 19, 2023 · Applied Cybernetics Group
CVE-2023-3519 — Citrix NetScaler ADC and NetScaler Gateway
known ransomware use
Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability
- Added to KEV
2023-07-19- Federal due date
2023-08-09- Vendor
- Citrix
- Product
- NetScaler ADC and NetScaler Gateway
- EPSS
- 99.8th percentile (score 0.935, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-3519
CISA short description
Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.