Answer in brief
CVE-2020-37199 records a High severity (CVSS 7.5) vulnerability in NBMonitor 1.6.6.0 - 'Key' Denial of Service. The current sources do not mark it as known exploited. The current feed maps Nsasoft/Nsauditor NBMonitor (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. 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 Nsasoft/Nsauditor NBMonitor (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Nsasoft/Nsauditor NBMonitorgeneric | 1.6.6.0 | Not reported |
Published upstream
Feb 11, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 29, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 29, 2026
NBMonitor 1.6.6.0 contains a denial of service vulnerability in its registration key input that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Key' field to trigger an application crash.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2020-37199 records a High severity (CVSS 7.5) vulnerability in NBMonitor 1.6.6.0 - 'Key' Denial of Service. The current sources do not mark it as known exploited. The current feed maps Nsasoft/Nsauditor NBMonitor (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. 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 Nsasoft/Nsauditor NBMonitor (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Nsasoft/Nsauditor NBMonitorgeneric | 1.6.6.0 | Not reported |
Published upstream
Feb 11, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 29, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 29, 2026
NBMonitor 1.6.6.0 contains a denial of service vulnerability in its registration key input that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Key' field to trigger an application crash.
Quoted source text, attributed separately from HOL analysis.