CVE-2021-46744

high-risk
Published 2022-05-11

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.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Amd

References (4)

Mailing List http://www.openwall.com/lists/oss-security/2022/08/08/6
Vendor Advisory https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033
Mailing List http://www.openwall.com/lists/oss-security/2022/08/08/6
Vendor Advisory https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033
51
/ 100
high-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 30/34 · Critical