In System Management Module (SMM) versions prior to 1.06, a field in the header of SMM firmware update images is insufficiently sanitized, allowing post-authentication command injection on the SMM as the root user.
https://support.lenovo.com/us/en/solutions/LEN-24374
Source: Mitre, NVD
Published: 2018-11-27
Updated: 2026-06-17
Base Score: 8.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.0063