NetScaler ADC and Gateway
CVE-2025-12101: Cross-Site Scripting (XSS)
Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 4.0 5.9
EPSS25%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| ADC 14.1 | 56.73 or later |
| ADC 13.1 | 60.32 or later |
| ADC 13.1-FIPS and NDcPP | 37.250 or later |
| ADC 12.1-FIPS and NDcPP | 55.333 or later |
| Gateway 14.1 | 56.73 or later |
| Gateway 13.1 | 60.32 or later |
| Gateway 13.1-FIPS and NDcPP | 37.250 or later |
| Gateway 12.1-FIPS and NDcPP | 55.333 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.