CRITICALCVSS 9.8Actively exploited · CISA KEV since 2023-07-19Vulnerability

CVE-2023-3519

Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution.

Properties

Euvd product
NetScaler Gateway, NetScaler ADC
Vulnerability name
Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability
First seen
2026-08-05T03:55:52+00:00
Cvss score
9.8
Epss score
0.99749
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-08-09
Euvd assigner
Citrix
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-07-19T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-07-19
Euvd base score version
3.1
Score
9.8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Citrix, Cloud Software Group
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8

Related Entities (13)

MENTIONED_IN (6)

→[Campaign]Unnamed campaign (ID 6977…)
→[Campaign]CVE-2026-88771: Inside the Exploitation of a Critical NetScaler RCE Vulnerability
→[Campaign]From emerging threat to top-tier ransomware-as-a-service: The evolution of INC ransomware
→[Campaign]Unnamed campaign (ID 6997…)
→[Campaign]Chrome Extensions: Are you getting more than you bargained for?
→[Campaign]2025 Cloud Threat Hunting and Defense Landscape

AFFECTS_PRODUCT (4)

→[Product]cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
→[Product]cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
→[Product]cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
→[Product]cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Control of Generation of Code ('Code Injection')

INVOLVES (1)

←[Signal]kev_added · 2023-07-19

Explore deeper with Ninja Signal's threat intelligence graph

Search in SpektrOpen Signal Desktop
CVE-2023-3519 (CVSS 9.8) — Ninja Signal Threat Intelligence | Ninja Signal