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On-Chip Debug and Test Interface With Improper Access Control

CVE-2024-48970

High
9.3/10

Summary

The ventilator's microcontroller lacks memory protection. An attacker could connect to the internal JTAG interface and read or write to flash memory using an off-the-shelf debugging tool, which could disrupt the function of the device and/or cause unauthorized information disclosure.

  • LOW
  • LOCAL
  • HIGH
  • CHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-1191 - On-Chip Debug and Test Interface With Improper Access Control

The chip does not implement or does not correctly perform access control to check whether users are authorized to access internal registers and test modes through the physical debug/test interface.

References

Advisory Timeline

  • Published