CVE-2023-4857

Description

An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.

Remediation

Solution:

  • Update SMM/SMM2 or FPC to the version (or newer) indicated for your model in the advisory: https://support.lenovo.com/us/en/product_security/LEN-140420    

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.11%
Affected: Lenovo SMM, SMM2, FPC
Published at:
Updated at:

References

Link Tags
https://support.lenovo.com/us/en/product_security/LEN-140420

Frequently Asked Questions

What is the severity of CVE-2023-4857?
CVE-2023-4857 has been scored as a high severity vulnerability.
How to fix CVE-2023-4857?
To fix CVE-2023-4857: Update SMM/SMM2 or FPC to the version (or newer) indicated for your model in the advisory: https://support.lenovo.com/us/en/product_security/LEN-140420    
Is CVE-2023-4857 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4857 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4857?
CVE-2023-4857 affects Lenovo SMM, SMM2, FPC.
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