CVE-2022-36385

Contec Health CMS8000

Description

A threat actor with momentary access to the device can plug in a USB drive and perform a malicious firmware update, resulting in permanent changes to device functionality. No authentication or controls are in place to prevent a threat actor from maliciously modifying firmware and performing a drive-by attack to load the firmware on any CMS8000 device.

Remediation

Workaround:

  • Contec Health has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact Contec Health for additional information. The following mitigations could assist in reducing the risk for exploitation of vulnerabilities: Disabling UART functionality at the CPU level Enforcing unique device authentication before granting access to the terminal / bootloader Where possible, enforcing secure boot. Tamper stickers on the device casing to indicate when a device has been opened

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Third-Party Advisory cisa.gov
Affected: Contec Health CMS8000 CONTEC ICU CCU Vital Signs Patient Monitor
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/uscert/ics/advisories/icsma-22-244-01 us government resource third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2022-36385?
CVE-2022-36385 has been scored as a medium severity vulnerability.
How to fix CVE-2022-36385?
As a workaround for remediating CVE-2022-36385: Contec Health has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact Contec Health for additional information. The following mitigations could assist in reducing the risk for exploitation of vulnerabilities: Disabling UART functionality at the CPU level Enforcing unique device authentication before granting access to the terminal / bootloader Where possible, enforcing secure boot. Tamper stickers on the device casing to indicate when a device has been opened
Is CVE-2022-36385 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-36385 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-36385?
CVE-2022-36385 affects Contec Health CMS8000 CONTEC ICU CCU Vital Signs Patient Monitor.
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