Actively exploited in the wild
Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability
Citrix - NetScaler ADC and NetScaler Gateway · Listed in the CISA KEV since 2024-01-17. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2023-6548
MediumCVSS 5.5KEVSummary
A code injection vulnerability in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP, or SNIP management interface to perform authenticated (low privileged) remote code execution on the Management Interface.
Risk Assessment
Risk of an authenticated attacker with low privileges gaining control of the device, potentially leading to full system compromise.
Recommendation
Apply available security updates from the vendor and restrict access to the management interface to trusted networks only.
Other vulnerabilities in NetScaler ADC and NetScaler Gateway
See all- CVE-2026-19490CriticalActively exploited
Vulnerability in NetScaler ADC and NetScaler Gateway products. Affects ADC versions from 14.1 through 73.32 and from 13.1 through 63.21; Gateway versions from 14.1 through 73.32 and from 13.1 through 63.21.
- CVE-2026-8452CriticalActively exploited
A memory overflow vulnerability in NetScaler ADC and NetScaler Gateway can lead to unpredictable or erroneous behavior and Denial of Service (DoS) if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
- CVE-2026-19489High
Vulnerability in NetScaler ADC and NetScaler Gateway. Affects ADC versions from 14.1 through 73.32 and from 13.1 through 63.21; Gateway from 14.1 through 73.32 and from 13.1 through 63.21.
- CVE-2026-10817High
Insufficient input validation in NetScaler ADC and NetScaler Gateway leads to memory overread if the TCP Timestamp is enabled in the TCP Profile and associated with a virtual server (type LB, CS, VPN) or a configured service.
- CVE-2026-10816High
An unauthenticated attacker can read arbitrary files on NetScaler ADC and NetScaler Gateway if access to NSIP, Cluster Management IP, or SNIP with management access is enabled.
Original NVD description (English source)
Improper Control of Generation of Code ('Code Injection') in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP or SNIP with management interface to perform Authenticated (low privileged) remote code execution on Management Interface.