Answer in brief
CVE-2020-37131 records a Medium severity (CVSS 6.2) vulnerability in Product Key Explorer 4.2.2.0 - 'Key' Denial of Service. The current sources do not mark it as known exploited. The current feed maps Nsauditor/Product Key Explorer (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 6.2. 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 Nsauditor/Product Key Explorer (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Nsauditor/Product Key Explorergeneric | 4.2.2.0 | Not reported |
Published upstream
Feb 5, 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
Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload of 1000 bytes of repeated characters and paste it into the 'Key' input field to trigger the application crash.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2020-37131 records a Medium severity (CVSS 6.2) vulnerability in Product Key Explorer 4.2.2.0 - 'Key' Denial of Service. The current sources do not mark it as known exploited. The current feed maps Nsauditor/Product Key Explorer (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 6.2. 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 Nsauditor/Product Key Explorer (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Nsauditor/Product Key Explorergeneric | 4.2.2.0 | Not reported |
Published upstream
Feb 5, 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
Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload of 1000 bytes of repeated characters and paste it into the 'Key' input field to trigger the application crash.
Quoted source text, attributed separately from HOL analysis.