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CVE-2023-43208

NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated remote...

9.8 CriticalIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

85.9%Up 85.8 points since Oct 27, 2023
90%50%10%1%

What each source reports

NVD Score used 9.8

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.

Record
CVE-2023-43208
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78, CWE-502
Updated
2026-11-02
CVE List 9.8

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.

Record
CVE-2023-43208
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78, CWE-502
Updated
2026-11-02
EUVDEUVD-2023-47627 9.8

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.

Record
EUVD-2023-47627
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-pj5c-qr29-6746 9.8

NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated remote...

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.

Record
GHSA-pj5c-qr29-6746
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78, CWE-502
Updated
2026-11-02
CISA KEV No score

NextGen Healthcare Mirth Connect Deserialization of Untrusted Data Vulnerability

NextGen Healthcare Mirth Connect contains a deserialization of untrusted data vulnerability that allows for unauthenticated remote code execution via a specially crafted request.

Record
CVE-2023-43208
Weakness
CWE-502
Updated
2026-11-02
OSV 9.8

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.

Record
CVE-2023-43208
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
MetasploitMirth Connect Deserialization RCE2023-10-25
PoC in GitHubjakabakos/CVE-2023-43208-mirth-connect-rce-poc2024-03-17
PoC in GitHubJ4F9S5D2Q7/CVE-2023-43208-MIRTHCONNECT2024-06-09
PoC in GitHubAvento/CVE-2023-43208_Detection_PoC2024-11-28
PoC in GitHubPegasus0xx/CVE-2023-432082026-02-22
PoC in GitHubkyakei/CVE-2023-432082026-02-22
PoC in GitHubMKIRAHMET/PoC-2023-432082026-02-24
PoC in GitHubD3m0nicw0lf/CVE-2023-432082026-02-25
PoC in GitHubpredyy/CVE-2023-432082026-02-25
PoC in GitHubazrvs/Mirth-Connect-CVE-2023-432082026-02-26
Show 5 moreShow less
Public exploits
SourceLinkDate
PoC in GitHub4nuxd/CVE-2023-432082026-03-12
PoC in GitHubLunaLynx12/cve-2023-43208-poc2026-03-12
PoC in GitHubCriz117/CVE-2023-43208-PoC2026-03-13
PoC in GitHubHumberto-pixel/CVE-2023-43208-PoC2026-03-28
NucleiNextGen Healthcare Mirth Connect - Remote Code Execution

History

History
RecordedChangedSources
exploitation, exploits
first indexedCVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-43208 is a critical vulnerability (CVSS 9.8) in Nextgen Mirth Connect, published October 26, 2023. CISA lists it as known to be exploited, since May 20, 2024. EUVD reports exploitation since May 20, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 85.9%, the 99th percentile. No source names a fixed version.

References

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