# CVE-2024-4978: Malicious Code in Justice AV Solutions (JAVS) Viewer

> CVE-2024-4978: Malicious Code in Justice AV Solutions (JAVS) Viewer. CVSS 8.4 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2024-4978
Last updated: 2025-10-21T23:05:17Z

- Published: 2024-05-23 01:56 UTC · Updated: 2025-10-21 23:05 UTC · Assigner: cisa-cg
- CVSS: 8.4 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
- EPSS: 26.9%, 98th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2024-05-29, federal due date 2024-06-19, ransomware use: Unknown
- CWE: CWE-506

## 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.

## CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- javs: viewer
- Justice AV Solutions: Viewer

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2024-4978)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2024-4978)
- [https://twitter.com/2RunJack2/status/1775052981966377148](https://twitter.com/2RunJack2/status/1775052981966377148)
- [https://www.javs.com/downloads/](https://www.javs.com/downloads/)
- [https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/](https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2024-4978 · Markdown: https://rewindex.com/cve/CVE-2024-4978.md · JSON: https://rewindex.com/api/v1/cves/CVE-2024-4978 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:04:06.349Z