CVE-2024-4978

Known Exploited Public Exploit
Malicious Code in Justice AV Solutions (JAVS) Viewer

Description

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.

Category

8.7
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 24.25% Top 5%
KEV Since 
Third-Party Advisory twitter.com Third-Party Advisory rapid7.com
Affected: Justice AV Solutions Viewer
Published at:
Updated at:

References

Link Tags
https://twitter.com/2RunJack2/status/1775052981966377148 third party advisory
https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/ third party advisory exploit
https://www.javs.com/downloads/ product

Frequently Asked Questions

What is the severity of CVE-2024-4978?
CVE-2024-4978 has been scored as a high severity vulnerability.
How to fix CVE-2024-4978?
To fix CVE-2024-4978, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-4978 being actively exploited in the wild?
It is confirmed that CVE-2024-4978 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~24% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-4978?
CVE-2024-4978 affects Justice AV Solutions Viewer.
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