Vulnerability Database

313,825

Total vulnerabilities in the database

CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.

  • Published: Jan 5, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-5956
  • Severity: High
  • Exploit:

CVSS v3:

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

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:P/A:N

CWEs:

Software From Fixed in
insyde / insydeh2o 5.2 5.25.11
insyde / insydeh2o 5.1 05.15.11
insyde / insydeh2o 5.3 05.34.11
insyde / insydeh2o 5.4 05.42.11