CVE-2024-4978 (GCVE-0-2024-4978)

Vulnerability from cvelistv5 – Published: 2024-05-23 01:56 – Updated: 2025-10-21 23:05
VLAI? CISA KEV
Title
Malicious Code in Justice AV Solutions (JAVS) Viewer
Summary
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.
Severity ?
8.4 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
8.7 (High)
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 - Embedded Malicious Code
Assigner
References
Impacted products
Vendor Product Version
Justice AV Solutions Viewer Affected: 8.3.7.250
Create a notification for this product.
Date Public ?
2024-05-23 00:30
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 25ab1317-3f72-419c-87c3-d94010c5ce48

Vulnerability ID: CVE-2024-4978

Status: Confirmed

Status Updated: 2024-05-29 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-05-29
Asserted: 2024-05-29
Scope
Notes: 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
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-506
Feed CISA Known Exploited Vulnerabilities Catalog
Product Viewer
Due Date 2024-06-19
Date Added 2024-05-29
Vendorproject Justice AV Solutions
Vulnerabilityname Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:24 UTC | Updated: 2026-02-06 07:53 UTC
Show details on NVD website
To clipboard 

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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.