CVE-2023-45077

Description

A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.

Remediation

Solution:

  • Update system firmware to the version (or newer) indicated for your model in the advisory: https://support.lenovo.com/us/en/product_security/LEN-141775

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory lenovo.com
Affected: Lenovo BIOS
Published at:
Updated at:

References

Link Tags
https://support.lenovo.com/us/en/product_security/LEN-141775 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-45077?
CVE-2023-45077 has been scored as a medium severity vulnerability.
How to fix CVE-2023-45077?
To fix CVE-2023-45077: Update system firmware to the version (or newer) indicated for your model in the advisory: https://support.lenovo.com/us/en/product_security/LEN-141775
Is CVE-2023-45077 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-45077 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-2023-45077?
CVE-2023-45077 affects Lenovo BIOS.
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