Answer in brief
CVE-2023-6549 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Cloud Software Group/NetScaler ADC (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 Cloud Software Group/NetScaler ADC (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cloud Software Group/NetScaler ADCgeneric | >=14.1 <12.35 || >=13.1 <51.15 || >=13.0 <92.21 || >=13.1-FIPS <37.176 || >=12.1-FIPS <55.302 || >=12.1-NDcPP <55.302 | 12.35, 51.15, 92.21, 37.176, 55.302 |
Published upstream
Jan 17, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Jan 17, 2024
Evidence: source:kev:kev:kev:recordImproper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-6549 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Cloud Software Group/NetScaler ADC (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 Cloud Software Group/NetScaler ADC (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cloud Software Group/NetScaler ADCgeneric | >=14.1 <12.35 || >=13.1 <51.15 || >=13.0 <92.21 || >=13.1-FIPS <37.176 || >=12.1-FIPS <55.302 || >=12.1-NDcPP <55.302 | 12.35, 51.15, 92.21, 37.176, 55.302 |
Published upstream
Jan 17, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Jan 17, 2024
Evidence: source:kev:kev:kev:recordImproper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read
Quoted source text, attributed separately from HOL analysis.