Answer in brief
CVE-2024-4978 records a High severity vulnerability in Malicious Code in Justice AV Solutions (JAVS) Viewer. The current sources mark it as known exploited. The current feed maps javs/viewer (generic), Justice AV Solutions/Viewer (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 javs/viewer (generic), Justice AV Solutions/Viewer (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| javs/viewergeneric | 8.3.7.250 | Not reported |
| Justice AV Solutions/Viewergeneric | 8.3.7.250 | Not reported |
Published upstream
May 23, 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
May 29, 2024
Evidence: source:kev:kev:kev:recordJustice AV Solutions Viewer Setup 8.3.7.250-1 contains a malicious binary when executed and is signed with an unexpected authenticode signature. A remote, privileged threat actor may exploit this vulnerability to execute of unauthorized PowerShell commands.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2024-4978 records a High severity vulnerability in Malicious Code in Justice AV Solutions (JAVS) Viewer. The current sources mark it as known exploited. The current feed maps javs/viewer (generic), Justice AV Solutions/Viewer (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 javs/viewer (generic), Justice AV Solutions/Viewer (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| javs/viewergeneric | 8.3.7.250 | Not reported |
| Justice AV Solutions/Viewergeneric | 8.3.7.250 | Not reported |
Published upstream
May 23, 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
May 29, 2024
Evidence: source:kev:kev:kev:recordJustice AV Solutions Viewer Setup 8.3.7.250-1 contains a malicious binary when executed and is signed with an unexpected authenticode signature. A remote, privileged threat actor may exploit this vulnerability to execute of unauthorized PowerShell commands.
Quoted source text, attributed separately from HOL analysis.