CVE-2024-4978
Confirmed PUBLISHEDMalicious Code in Justice AV Solutions (JAVS) Viewer
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- May 23, 2024
- Exploitation Reported
- May 29, 2024
- CVSS
- 8.7 High
- EPSS
- 26.9%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| javs |
viewer
|
8.3.7.250 |
Affected |
| Justice AV Solutions |
Viewer
|
8.3.7.250 |
Affected |
CVE References
- twitter.com/2RunJack2/status/1775052981966377148 twitter.com · CVE Record https://twitter.com/2RunJack2/status/1775052981966377148
- rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoore... rapid7.com · CVE Record https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-...
- javs.com/downloads javs.com · CVE Record https://www.javs.com/downloads/
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2024-05-29 00:00 UTC |
Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nessus | https://www.tenable.com/plugins/nessus/200311 | Jun 02, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
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
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2024-05-29 00:00:00 UTC · CISA
Weaknesses (CWE)
-
Embedded Malicious Code
Scanner Integrations
Nuclei, Metasploit, and other scanner references for this CVE are listed on the Detection tab.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
09:26 UTC about 1 year ago09:26 UTC · about 1 year ago
Nessus plugin available
Scanner coverage available
-
00:00 UTC about 2 years ago00:00 UTC · about 2 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
01:56 UTC about 2 years ago01:56 UTC · about 2 years ago
CVE published
Vulnerability disclosed publicly
-
21:03 UTC about 2 years ago21:03 UTC · about 2 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2024-4978
{
"cve_id": "CVE-2024-4978",
"title": "Malicious Code in Justice AV Solutions (JAVS) Viewer",
"affected_vendor": "Justice AV Solutions",
"affected_product": "Viewer",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.7,
"epss_score": 0.26937,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}