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CVE-2021-46744

Published: May 11, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-203
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.3%
Top 76.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-203

Affected Products

epyc 7001 firmwareamdHardware Firmware
epyc 7002 firmwareamdHardware Firmware
epyc 7003 firmwareamdHardware Firmware
epyc 7232p firmwareamdHardware Firmware
epyc 7251 firmwareamdHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 99 more affected products View all →

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
Discovery
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2022/08/08/6
openwall.com
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033
amd.com
https://www.amd.com/system/files/documents/221404394-a_security_wp_final.pdf
amd.com
and 3 more references View all →

Timeline

Published
May 11, 2022
Last Updated
Nov 21, 2024

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