VULNERABILITY INTELLIGENCE

CVE-2020-5956

CVSS score7.5 HIGH
EPSS probability0.83%
CISA KEVNot currently listed
Published2022-01-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-20

Primary references