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Vulnerability Details :

CVE-2024-4978

Summary
Assigner-cisa-cg
Assigner Org ID-9119a7d8-5eab-497f-8521-727c672e3725
Published At-23 May, 2024 | 01:56
Updated At-21 Oct, 2025 | 23:05
Rejected At-
Credits

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

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Known Exploited Vulnerabilities (KEV)
cisa.gov
Vendor:
Justice AV Solutions
Product:Viewer
Added At:29 May, 2024
Due At:19 Jun, 2024

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

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.

Used in Ransomware

:

Unknown

CWE

:
CWE-506

Required Action:

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

Additional Notes:

Please follow the vendor’s instructions as outlined in the public statements at https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack#remediation and https://www.javs.com/downloads; https://nvd.nist.gov/vuln/detail/CVE-2024-4978
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:cisa-cg
Assigner Org ID:9119a7d8-5eab-497f-8521-727c672e3725
Published At:23 May, 2024 | 01:56
Updated At:21 Oct, 2025 | 23:05
Rejected At:
▼CVE Numbering Authority (CNA)
Malicious Code in Justice AV Solutions (JAVS) Viewer

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.

Affected Products
Vendor
Justice AV Solutions
Product
Viewer
Platforms
  • Windows
Default Status
unaffected
Versions
Affected
  • 8.3.7.250
Problem Types
TypeCWE IDDescription
CWECWE-506CWE-506 Embedded Malicious Code
Type: CWE
CWE ID: CWE-506
Description: CWE-506 Embedded Malicious Code
Metrics
VersionBase scoreBase severityVector
3.18.4HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Version: 3.1
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-122CAPEC-122 Privilege Abuse
CAPEC ID: CAPEC-122
Description: CAPEC-122 Privilege Abuse
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://twitter.com/2RunJack2/status/1775052981966377148
N/A
https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/
N/A
https://www.javs.com/downloads/
N/A
Hyperlink: https://twitter.com/2RunJack2/status/1775052981966377148
Resource: N/A
Hyperlink: https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/
Resource: N/A
Hyperlink: https://www.javs.com/downloads/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Vendor
javs
Product
viewer
CPEs
  • cpe:2.3:a:javs:viewer:8.3.7.250:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • 8.3.7.250
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
kev
dateAdded:
2024-05-29
reference:
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4978
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
CVE-2024-4978 added to CISA KEV2024-05-29 00:00:00
Event: CVE-2024-4978 added to CISA KEV
Date: 2024-05-29 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4978
government-resource
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4978
Resource:
government-resource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://twitter.com/2RunJack2/status/1775052981966377148
x_transferred
https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/
x_transferred
https://www.javs.com/downloads/
x_transferred
Hyperlink: https://twitter.com/2RunJack2/status/1775052981966377148
Resource:
x_transferred
Hyperlink: https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/
Resource:
x_transferred
Hyperlink: https://www.javs.com/downloads/
Resource:
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:9119a7d8-5eab-497f-8521-727c672e3725
Published At:23 May, 2024 | 02:15
Updated At:24 Oct, 2025 | 13:48

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2024-05-292024-06-19Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code VulnerabilityApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Date Added: 2024-05-29
Due Date: 2024-06-19
Vulnerability Name: Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability
Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.18.4HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Primary3.18.4HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
CPE Matches
javs
javs
>>javs_viewer>>8.3.7.250
cpe:2.3:a:javs:javs_viewer:8.3.7.250:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-506Secondary9119a7d8-5eab-497f-8521-727c672e3725
NVD-CWE-OtherPrimarynvd@nist.gov
CWE ID: CWE-506
Type: Secondary
Source: 9119a7d8-5eab-497f-8521-727c672e3725
CWE ID: NVD-CWE-Other
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://twitter.com/2RunJack2/status/17750529819663771489119a7d8-5eab-497f-8521-727c672e3725
Third Party Advisory
https://www.javs.com/downloads/9119a7d8-5eab-497f-8521-727c672e3725
Product
Broken Link
https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/9119a7d8-5eab-497f-8521-727c672e3725
Exploit
Third Party Advisory
https://twitter.com/2RunJack2/status/1775052981966377148af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.javs.com/downloads/af854a3a-2127-422b-91ae-364da2661108
Product
Broken Link
https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/af854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4978134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
Hyperlink: https://twitter.com/2RunJack2/status/1775052981966377148
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Resource:
Third Party Advisory
Hyperlink: https://www.javs.com/downloads/
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Resource:
Product
Broken Link
Hyperlink: https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Resource:
Exploit
Third Party Advisory
Hyperlink: https://twitter.com/2RunJack2/status/1775052981966377148
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://www.javs.com/downloads/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Product
Broken Link
Hyperlink: https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4978
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
US Government Resource

Change History

0
Information is not available yet

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