CVE-2021-28216

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

El puntero BootPermaneranceTable es leído desde una variable NVRAM en PEI. Se recomienda establecer PcdFirmwarePermaneranceDataTableS3Support en FALSE

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-12 CVE Reserved
2021-08-05 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-587: Assignment of a Fixed Address to a Pointer
CWE-763: Release of Invalid Pointer or Reference

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.tianocore.org/show_bug.cgi?id=2957	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tianocore Search vendor "Tianocore"		Edk Ii Search vendor "Tianocore" for product "Edk Ii"				-		-		Affected