CVE Tools

CVE-2021-46795

Published: Jan 10, 2023Updated: Apr 9, 2025 Sources: CVE List NVDCWE-367
4.7CVSSMEDIUM

Description

A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High

Weaknesses

Affected Products

amdcommercialUSHardware Firmwareaka advanced micro devices

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

Timeline

Published
Jan 10, 2023
Last Updated
Apr 9, 2025

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