CVE-2021-46744
lowpriority · track · 26EPSS 0.003 · 27 %ileDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–6.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (108)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-0072AMD Prozessoren: Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2022-05-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen im AMD Prozessoren ausnutzen, um Informationen offenzulegen.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2022/08/08/6cnnvd
- https://cxsecurity.com/cveshow/CVE-2021-46744/cnnvd
- https://vigilance.fr/vulnerability/AMD-EPYC-Processors-memory-reading-38416cnnvd
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022052607cnnvd
- http://www.openwall.com/lists/oss-security/2022/08/08/6enisa_euvd
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033enisa_euvd
- http://www.openwall.com/lists/oss-security/2022/08/08/6Mailing ListThird Party Advisorynvd
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