Threats / Justice AV Solutions / CVE-2024-4978
CVE-2024-4978
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Justice AV Solutions Viewer vulnerability
Justice AV Solutions Viewer installer contains a malicious ffmpeg variant that establishes unauthorized C2 communication, enabling remote code execution and system compromise.
Verdict
Today item — known-exploited.
A trojanized executable embedded in the Viewer installer creates a backdoor for command and control access. This supply-chain compromise affects users who download and execute the affected installer package.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
3 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-05-29).
Probability (EPSS)
EPSS 0.26937 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Justice AV Solutions, Viewer . Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-506 CWE-506.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
WeaknessCWE-506 · CWE-506
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
Distribute trojanized installer containing malicious ffmpeg executable to establish persistent C2 access on target systems.
Business
End-user systems compromised through trusted software distribution channel, enabling unauthorized remote access and potential data exfiltration or lateral movement.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
Execute arbitrary commands on compromised host via established C2 connection to perform reconnaissance or deploy secondary payloads.
Business
Attackers gain operational control of affected systems, risking confidentiality, integrity, and availability of customer data and infrastructure.
3
Lateral reach — past segmentation narrative 3
Attacker
Maintain persistence through backdoor mechanism embedded in commonly-used security software component.
Business
Prolonged undetected compromise increases exposure window and likelihood of advanced attack stages including privilege escalation or network propagation.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05