CVE-2022-3027

Summary

The CMS8000 device does not properly control or sanitize the SSID name of a new Wi-Fi access point. A threat actor could create an SSID with a malicious name, including non-standard characters that, when the device attempts connecting to the malicious SSID, the device can be exploited to write arbitrary files or display incorrect information.

Affected Software

VendorProductVersion RangeStatus
Contec HealthCMS8000 CONTEC ICU CCU Vital Signs Patient MonitorAllaffected

Weaknesses

  • CWE-284: CWE-284 Improper Access Control

Workarounds

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

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References