{
    "id": "CVE-2024-4978",
    "published": "2024-05-23 02:15:09",
    "last_modified": "2026-06-17 08:03:19",
    "cvss_score": "8.4",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H",
    "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.",
    "epss_score": "0.26937",
    "epss_percentile": "0.97974",
    "kev": 1,
    "kev_due": "2024-06-19",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:34:41",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2024-06-19."
    },
    "products": [
        {
            "vendor": "javs",
            "product": "javs_viewer"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2024-4978",
        "date_added": "2024-05-29",
        "due_date": "2024-06-19",
        "vendor": "Justice AV Solutions",
        "product": "Viewer ",
        "name": "Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://twitter.com/2RunJack2/status/1775052981966377148",
        "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://twitter.com/2RunJack2/status/1775052981966377148",
        "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.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4978"
    ]
}