# CVE-2024-4978

## Summary

- **CVE ID:** CVE-2024-4978
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H)
- **CWE:** CWE-506
- **Published:** May 23, 2024
- **Last Modified:** Oct 21, 2025

## Description

Justice 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.

## Affected Products

- Justice AV Solutions — Viewer (8.3.7.250)

## References

- [CNA](https://twitter.com/2RunJack2/status/1775052981966377148)
- [CNA](https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/)
- [CNA](https://www.javs.com/downloads/)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4978)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 26.94%
- **EPSS Percentile:** 97.9

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** May 29, 2024
- **Due Date:** Jun 19, 2024

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._