CVE-2020-5956

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.

CVSS Version 3.1
CVSS Version 2.0

nvd
CVE ID: CVE-2020-5956
Base Score: 7.5
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Impact Score: 3.6
Exploitability Score: 3.9

nvd
CVE ID: CVE-2020-5956
Base Score: 5.0
Base Severity: MEDIUM
Vector String:AV:N/AC:L/Au:N/C:N/I:P/A:N

Refrence: NVD

Description​

Description