Overview
NextGen Healthcare Mirth Connect contains a deserialization of untrusted data vulnerability that allows for unauthenticated remote code execution via a specially crafted request.
This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://github.com/nextgenhealthcare/connect/wiki/4.4.1---What%27s-New ; https://nvd.nist.gov/vuln/detail/CVE-2023-43208
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2023-43208 |
| Vendor / Product | NextGen Healthcare — Mirth Connect |
| NVD Published | 2023-10-26 |
| NVD Last Modified | 2025-10-31 |
| CVSS 3.1 Score | 9.8 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Severity | CRITICAL |
| CWE | CWE-78 |
| CISA KEV Added | 2024-05-20 |
| CISA KEV Deadline | 2024-06-10 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2024-06-10.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2024-05-20 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2024-06-10 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2023-43208 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |