Vulnerability Monitor

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CVE-2021-33625

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.

Published

2022-02-03T02:15:06.930

Last Modified

2024-11-21T06:09:13.220

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application insyde insydeh2o < 5.16.23 Yes
Application insyde insydeh2o < 5.26.23 Yes
Application insyde insydeh2o < 5.35.23 Yes
Application insyde insydeh2o < 5.43.22 Yes
Application insyde insydeh2o < 5.51.22 Yes
Operating System netapp fas\/aff_bios - Yes
Operating System siemens ruggedcom_ape1808_firmware - Yes
Hardware siemens ruggedcom_ape1808 - No
Operating System siemens simatic_field_pg_m5_firmware - Yes
Hardware siemens simatic_field_pg_m5 - No
Operating System siemens simatic_ipc127e_firmware - Yes
Hardware siemens simatic_ipc127e - No
Operating System siemens simatic_itp1000_firmware - Yes
Hardware siemens simatic_itp1000 - No
Operating System siemens simatic_ipc277g_firmware - Yes
Hardware siemens simatic_ipc277g - No
Operating System siemens simatic_ipc227g_firmware - Yes
Hardware siemens simatic_ipc227g - No
Operating System siemens simatic_ipc327g_firmware - Yes
Hardware siemens simatic_ipc327g - No
Operating System siemens simatic_ipc377g_firmware - Yes
Hardware siemens simatic_ipc377g - No
Operating System siemens simatic_ipc427e_firmware - Yes
Hardware siemens simatic_ipc427e - No
Operating System siemens simatic_ipc477e_firmware - Yes
Hardware siemens simatic_ipc477e - No
Operating System siemens simatic_ipc477e_pro_firmware - Yes
Hardware siemens simatic_ipc477e_pro - No
Operating System siemens simatic_ipc627e_firmware - Yes
Hardware siemens simatic_ipc627e - No
Operating System siemens simatic_ipc647e_firmware - Yes
Hardware siemens simatic_ipc647e - No
Operating System siemens simatic_ipc677e_firmware - Yes
Hardware siemens simatic_ipc677e - No
Operating System siemens simatic_ipc847e_firmware - Yes
Hardware siemens simatic_ipc847e - No
Operating System siemens simatic_field_pg_m6_firmware - Yes
Hardware siemens simatic_field_pg_m6 - No
References