CVE-2023-43208

NextGen Healthcare Mirth Connect Deserialization of Untrusted Data Vulnerability

Exploited in attacks Used by ransomware Critical 9.8 Attack chance: 85%

What it is

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

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Deadline for US federal agencies: June 10, 2024

Added to the CISA list: May 20, 2024
Published: October 26, 2023
Severity: Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS): 85% in the top 0.3% of all known vulnerabilities
Weakness: CWE-502
More details: NVD · CVE.org · CISA

All references (2)

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.