CVE-2024-4978
Justice AV Solutions — Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability
What EVULNABLE says
EVULNABLE Risk · priority
75/100
Urgent
Raised to the floor for a confirmed exploited vulnerability.
Intelligence coverage 75/90 — no pre-patch disclosure data
The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.
The evidence behind it
| Measure | Value | Source |
|---|---|---|
| CVSS base score | 8.7 | NVD |
| FIRST EPSS | 0.269 (97.9th pctl) | FIRST |
| Actively exploited | Confirmed | CISA KEV |
| Ransomware campaign use | Unknown or none | CISA KEV |
| CISA remediation deadline | 2024-06-19 — Overdue by 2.2 years | CISA KEV |
What CISA says to do
- 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
- nvd.nist.gov/…/CVE-2024-4978 ↗
The primary records
This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.