All vulnerabilities
CVE-2024-4978

Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability

Justice AV Solutions Viewer
Open in ThreatlineRecord JSON
CVSS
8.4High
ExploitationExploited in the wildAdded to KEV 29 May 2024CISA KEV
Exploit odds (EPSS)26.9%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline19 Jun 2024Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 23 May 2024, 01:56 UTCPublishedCVE List
  2. 29 May 2024Added to CISA KEVCISA KEV

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.

Text from CVE List

Affected versions 1

  • Vieweraffected: 8.3.7.250CVE List

References 5