CVE-2023-43208

Name: CVE-2023-43208
Creator: NVD / NIST
Published: 2023-10-26T17:15:09.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 82.71%

Last modified Jun 17, 2026

CVE-2023-43208 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 82.71% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

82.71%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 10, 2024.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextgen	Mirth Connect	< 4.4.1

References

http://packetstormsecurity.com/files/176920/Mirth-Connect-4.4.0-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.horizon3.ai/nextgen-mirth-connect-remote-code-execution-vulnerability-cve-2023-43208/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/176920/Mirth-Connect-4.4.0-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.horizon3.ai/nextgen-mirth-connect-remote-code-execution-vulnerability-cve-2023-43208/Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43208US Government Resource

Timeline

Published: Oct 26, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-43208?

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.

How severe is CVE-2023-43208?

CVE-2023-43208 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 82.71% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2023-43208?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-43208?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST