Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-43323

An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.

  • Published: Feb 3, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-43323
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.2
  • AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:L/Au:N/C:C/I:C/A:C

No CWE or OWASP classifications available.

Software From Fixed in
insyde / insydeh2o 5.1 5.16.45
insyde / insydeh2o 5.2 5.26.45
insyde / insydeh2o 5.3 5.33.45
insyde / insydeh2o 5.0 5.08.45
insyde / insydeh2o 5.4 5.43.45
insyde / insydeh2o 5.5 5.51.45