High severity · published May 23, 2024
CVE-2024-4978
Malicious Code in Justice AV Solutions (JAVS) Viewer
In wildKEV
8.4
CVSS
26.9%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)26.9% · higher than 98% of CVEs
Exploited in the wildYes
CISA KEVListed May 29, 2024
Federal remediation dueJun 19, 2024
Ransomware campaign useNot known
Affected products
Which versions
VI
Viewer · Justice AV Solutions
8.3.7.250 · source: vendor, CISA, KEV
JV
Javs Viewer · Javs
8.3.7.250 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4978
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-4978
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
twitter.com
https://twitter.com/2RunJack2/status/1775052981966377148
www.rapid7.com
https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/
www.javs.com
https://www.javs.com/downloads/