CVE Vulnerability

CVE-2021-46744

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2 / Impact : 4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033 Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/08/08/6 Mailing List Third Party Advisory
Configurations

Configuration 1
Information

Published : 2022-05-11 05:15

Updated : 2022-10-26 02:39

NVD link : CVE-2021-46744

Mitre link : CVE-2021-46744

Products Affected

Amd

Epyc 7451

CWE
CWE-668