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

CVE-2024-4978

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

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.

HIGH · CVSS 8.4 ⚠ CISA KEV EPSS 0.12815
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Required Remediation

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

Weakness Classification

Affected Products & Versions

1
javs viewerall versions

Detection Rules (IDS/IPS)

1
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.

Scoring & Timeline

8.4
HIGH · CVSS v3.1 · 9119a7d8-5eab-497f-8521-727c672e3725
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 May 2024 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

Vendor Advisories

1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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