CVE-2024-12248CWE-787

Out-of-bounds Write vulnerability in Contec Health CMS8000 Patient Monitor

Critical · published January 30, 2025

CVSS v4.0
9.3
EPSS
1%
Percentile
70.2
In the wild
Unconfirmed
What it is

🚨 A crafty UDP packet is the key here! The Contec Health CMS8000 Patient Monitor is vulnerable to an out-of-bounds write, allowing attackers to send specially formatted requests that could lead to remote code execution. 🔥 Think of this vulnerability like a rogue order slip that allows a waiter to send any food item to the kitchen without checking — the kitchen could end up serving anything, including something dangerous or harmful. Just like that slip, the specially crafted UDP requests slip through the monitor's defenses without proper validation. If exploited, an attacker could hijack the patient monitor, potentially changing critical patient data, or even executing malicious code. This could lead to dire consequences in a healthcare environment, risking patient safety and compromising sensitive information — absolutely devastating!

Put simply

Think of this vulnerability like a rogue order slip that allows a waiter to send any food item to the kitchen without checking — the kitchen could end up serving anything, including something dangerous or harmful. Just like that slip, the specially crafted UDP requests slip through the monitor's defenses without proper validation. This out-of-bounds write vulnerability in the Contec Health CMS8000 Patient Monitor allows an attacker to manipulate memory by sending specially crafted UDP requests, paving the way for remote code execution.

What to do

If exploited, an attacker could hijack the patient monitor, potentially changing critical patient data, or even executing malicious code. This could lead to dire consequences in a healthcare environment, risking patient safety and compromising sensitive information — absolutely devastating! Immediately patch the Contec Health CMS8000 Patient Monitor to the latest firmware version provided by the vendor. Additionally, assess your network configurations to limit unauthorized UDP traffic to the device, and consider implementing intrusion detection systems to monitor for unusual activities. You can fix this! Follow these steps to secure your system and protect patient safety. You've got this! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.01299 · 70.2th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2025-01-30T18:17Z
EPSS history
Timeline
  • 30 JAN 18:17Z
    Out-of-bounds Write vulnerability in Contec Health CMS8000 Patient Monitor
    cvelistv5