PT-2021-21891 · Lenovo+1 · Lenovo Notebook+2

Published 2021-11-12 · Updated 2021-11-26 · CVE-2021-3786

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Lenovo Notebook and ThinkPad systems (affected versions not specified)

Description: A potential issue in the SMI callback function used in CSME configuration could be used to leak out data out of the SMRAM range.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-3786

Affected Products

Csme

Lenovo Notebook

Thinkpad

References · 5

• https://osv.dev/vulnerability/CVE-2021-3786 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3786 · Security Note
• https://support.lenovo.com/us/en/product_security/LEN-67440 · Vendor Advisory
• https://t.me/cibsecurity/32336 · Telegram Post
• https://t.me/cvenotify/23367 · Telegram Post