Answer in brief
CVE-2023-4966 records a High severity vulnerability in Unauthenticated sensitive information disclosure. The current sources mark it as known exploited. The current feed maps Citrix/NetScaler ADC (generic), Citrix/NetScaler Gateway (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Citrix/NetScaler ADC (generic), Citrix/NetScaler Gateway (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Citrix/NetScaler ADCgeneric | >=14.1 <8.50 || >=13.1 <49.15 || >=13.0 <92.19 || >=13.1-FIPS <37.164 || >=12.1-FIPS <55.300 || >=12.1-NDcPP <55.300 | 8.50, 49.15, 92.19, 37.164, 55.300 |
| Citrix/NetScaler Gatewaygeneric | >=14.1 <8.50 || >=13.1 <49.15 || >=13.0 <92.19 | 8.50, 49.15, 92.19 |
Published upstream
Oct 10, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 31, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Oct 18, 2023
Evidence: source:kev:kev:kev:recordSensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-4966 records a High severity vulnerability in Unauthenticated sensitive information disclosure. The current sources mark it as known exploited. The current feed maps Citrix/NetScaler ADC (generic), Citrix/NetScaler Gateway (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Citrix/NetScaler ADC (generic), Citrix/NetScaler Gateway (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Citrix/NetScaler ADCgeneric | >=14.1 <8.50 || >=13.1 <49.15 || >=13.0 <92.19 || >=13.1-FIPS <37.164 || >=12.1-FIPS <55.300 || >=12.1-NDcPP <55.300 | 8.50, 49.15, 92.19, 37.164, 55.300 |
| Citrix/NetScaler Gatewaygeneric | >=14.1 <8.50 || >=13.1 <49.15 || >=13.0 <92.19 | 8.50, 49.15, 92.19 |
Published upstream
Oct 10, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 31, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Oct 18, 2023
Evidence: source:kev:kev:kev:recordSensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
Quoted source text, attributed separately from HOL analysis.