CVE-2023-43208KEV · OVERDUE

NextGen Healthcare Mirth Connect Deserialization of Untrusted Data Vulnerability

Critical · published October 26, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.7th percentile for exploit probability.

866
days past CISA
deadline
CVSS v3.1
9.8
EPSS
83%
Percentile
99.7
In the wild
Confirmed
What it is

🚨 NextGen Healthcare Mirth Connect before version 4.4.1 is a ticking time bomb! An unauthenticated attacker can execute arbitrary code, all thanks to a patch that didn’t quite make the cut! 🔥 Think of it like a restaurant that claimed to fix a health code violation but missed a crucial step — the kitchen remains open and anyone can walk in and start cooking without supervision! An attacker could fully compromise the server, gain sensitive data, or even alter the software’s functionality. This is absolutely devastating for healthcare systems relying on Mirth Connect, putting patient information and critical operations at risk!

Put simply

Think of it like a restaurant that claimed to fix a health code violation but missed a crucial step — the kitchen remains open and anyone can walk in and start cooking without supervision! This vulnerability stems from an incomplete patch of CVE-2023-37679, allowing unauthenticated remote code execution. If an attacker crafts the right request, they can run any code they choose on the server!

What to do

An attacker could fully compromise the server, gain sensitive data, or even alter the software’s functionality. This is absolutely devastating for healthcare systems relying on Mirth Connect, putting patient information and critical operations at risk! Upgrade your Mirth Connect to version 4.4.1 immediately to resolve this vulnerability. Ensure you audit your security protocols and review logs for any suspicious activities since this is a known exploit. You've got this! Follow these steps to secure your system and maintain your superhero status in the fight for cybersecurity! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.82708 · 99.7th percentile
Published
2023-10-26T00:00Z
KEV added
2024-05-20 · due 2024-06-10
EPSS history
Timeline
  • 20 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 10
    kev
  • 26 OCT 00:00Z
    NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated remote code execution
    cvelistv5