CVE-2021-28216

Public Exploit

Description

BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting PcdFirmwarePerformanceDataTableS3Support to FALSE.

Categories

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Vendor Advisory tianocore.org
Affected: TianoCore EDK II
Published at:
Updated at:

References

Link Tags
https://bugzilla.tianocore.org/show_bug.cgi?id=2957 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-28216?
CVE-2021-28216 has been scored as a high severity vulnerability.
How to fix CVE-2021-28216?
To fix CVE-2021-28216, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28216 being actively exploited in the wild?
It is possible that CVE-2021-28216 is being exploited or will be exploited in a near future based on public information. 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-2021-28216?
CVE-2021-28216 affects TianoCore EDK II.
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