CVE-2021-28216

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

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.tianocore.org/show_bug.cgi?id=2957	Exploit Issue Tracking Vendor Advisory
https://bugzilla.tianocore.org/show_bug.cgi?id=2957	Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:*

History

03 Nov 2025, 20:15

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html -

Information

Published : 2021-08-05 21:15

Updated : 2025-11-03 20:15

NVD link : CVE-2021-28216

Mitre link : CVE-2021-28216

CVE.ORG link : CVE-2021-28216

JSON object : View

Products Affected

tianocore

edk_ii

CWE

CWE-587

Assignment of a Fixed Address to a Pointer

CWE-763

Release of Invalid Pointer or Reference

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