CVE-2024-4978

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2024-4978

Confirmed

Yes

2024-05-29 00:00 UTC

Timestamps

2024-05-29

2024-05-29

Scope

KEV entry: Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability | Affected: Justice AV Solutions / Viewer | Description: Justice AV Solutions (JAVS) Viewer installer contains a malicious version of ffmpeg.exe, named fffmpeg.exe (SHA256: 421a4ad2615941b177b6ec4ab5e239c14e62af2ab07c6df1741e2a62223223c4). When run, this creates a backdoor connection to a malicious C2 server. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-06-19 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): Please follow the vendor’s instructions as outlined in the public statements at https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack#remediation and https://www.javs.com/downloads; https://nvd.nist.gov/vuln/detail/CVE-2024-4978

References
  • {'id': 'CVE-2024-4978', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-4978'}

25ab1317-3f72-419c-87c3-d94010c5ce48

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-506"
  ],
  "date_added": "2024-05-29",
  "due_date": "2024-06-19",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Viewer ",
  "vendorProject": "Justice AV Solutions",
  "vulnerabilityName": "Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability"
}
 -
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