HIGH CISA KEV

CVE-2024-4978

CVSS v3

8.4

HIGH

EPSS Score

26.9 %

exploit probability, as of 2026-10-21

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2024-4978 yet.

Full record on NVD

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.

CISA Known Exploited Vulnerability

Date Added: 2024-05-29
Patch Due Date: 2024-06-19
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Published: 2024-05-23
Last Modified: 2025-10-24

Frequently asked questions

What is CVE-2024-4978?

Is CVE-2024-4978 actively exploited?

Yes. CVE-2024-4978 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2024-06-19.

What is the CVSS score for CVE-2024-4978?

CVE-2024-4978 has a CVSS v3 base score of 8.4 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H.

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