Vulnerability Database

289,697

Total vulnerabilities in the database

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: Feb 3, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-33625
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.9
  • AV:L/AC:M/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
insyde / insydeh2o 5.1 5.16.23
insyde / insydeh2o 5.2 5.26.23
insyde / insydeh2o 5.3 5.35.23
insyde / insydeh2o 5.4 5.43.22
insyde / insydeh2o 5.5 5.51.22