CVE-2023-43208
Confirmed PUBLISHEDNextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated remote code execution. Note that this vulnerability is...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated remote code execution. Note that this vulnerability is caused by the incomplete patch of CVE-2023-37679.
- CVE Published
- Oct 26, 2023
- Exploitation Reported
- May 20, 2024
- CVSS
- 9.8 Critical
- EPSS
- 82.7%
CVE References
- horizon3.ai/nextgen-mirth-connect-remote-code-execution-... horizon3.ai · CVE Record https://www.horizon3.ai/nextgen-mirth-connect-remote-code-execution-v...
- packetstormsecurity.com/files/176920/Mirth-Connect-4.4.0-Remote-Comm... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/176920/Mirth-Connect-4.4.0-Remot...
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 | 2024-05-20 00:00 UTC |
| The Shadowserver | 2026-06-03 00:00 UTC |
Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/mirth_connect_cve_2023_43208.rb | Apr 28, 2025 |
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-43208.yaml | Apr 25, 2025 |
| Nessus | https://www.tenable.com/plugins/nessus/183969 | Oct 30, 2023 |
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2024-05-20 00:00:00 UTC · CISA
Used in malware
Recorded 2026-06-02 14:08:23 UTC · CISA
Proof of concept available
Recorded 2024-03-15 12:03:51 UTC · GitHub
Weaknesses (CWE)
-
Deserialization of Untrusted Data
-
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Scanner Integrations
Nuclei, Metasploit, and other scanner references for this CVE are listed on the Detection tab.
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2024-11-28 09:03:23 UTC · 2 stars
Use java.net.InetAddress for detection
github · Created 2024-03-17 08:44:14 UTC · 3 stars
github · Created 2024-03-15 12:03:51 UTC · 24 stars
A PoC exploit for CVE-2023-43208 - Mirth Connect Remote Code Execution (RCE)
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 2 months ago00:00 UTC · about 2 months ago
KEV confirmed by The Shadowserver
Exploitation attested by an external source
-
14:08 UTC about 2 months ago14:08 UTC · about 2 months ago
First public exploitation report
Exploit observed in malware
-
15:02 UTC over 1 year ago15:02 UTC · over 1 year ago
Metasploit module available
Exploit module available
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
Nuclei template 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
-
12:03 UTC over 2 years ago12:03 UTC · over 2 years ago
Public PoC available
Public proof-of-concept code published
-
14:59 UTC over 2 years ago14:59 UTC · over 2 years ago
Nessus plugin available
Scanner coverage available
-
00:00 UTC almost 3 years ago00:00 UTC · almost 3 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 3 years ago00:00 UTC · almost 3 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-2023-43208
{
"cve_id": "CVE-2023-43208",
"title": "NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauth...",
"affected_vendor": "NextGen Healthcare",
"affected_product": "Mirth Connect",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": 0.82708,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}