CVE-2022-40250 is a privilege escalation vulnerability in AMI Aptio 5.x firmware, specifically within the SmmSmbiosElog module. An attacker can exploit this to execute arbitrary code in System Management Mode (SMM), a highly privileged environment, bypassing OS and SMM-based SPI flash protections. This allows for the installation of persistent firmware backdoors and circumvention of UEFI security mechanisms like Secure Boot. With a CVSS score of 8.8 (High), it requires local access but has low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
bc0074CPE matchmatch criteria | cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc510_firmware:bc0074:*:*:*:*:*:*:* | ||
bc0074CPE matchmatch criteria | cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc710_firmware:bc0074:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:ami:aptio_v:5.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.