CVE-2021-3786

CVSS 4.4 MEDIUMEPSS 0.2%CWE-20

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A potential vulnerability in the SMI callback function used in CSME configuration of some Lenovo Notebook and ThinkPad systems could be used to leak out data out of the SMRAM range.

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

Lenovo · Notebook and ThinkPad BIOS

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References

https://support.lenovo.com/us/en/product_security/LEN-67440