CVE-2020-12966
lowpriority · track · 22EPSS 0.003 · 24 %ileEUUSEPSS · scored 2026-10-27
AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES) and Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP). A local authenticated attacker could potentially exploit this vulnerability leading to leaking guest data by the malicious hypervisor.
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 · 2.1–5.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (108)
Products and version ranges known to be affected.
also known as (3)
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://nvd.nist.gov/vuln/detail/CVE-2020-12966cnnvd
- https://support.lenovo.com/us/en/product_security/LEN-65525cnnvd
- https://vigilance.fr/vulnerability/AMD-Processor-information-disclosure-via-Secure-Encryption-Virtualization-36881cnnvd
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1013cnnvd
- http://www.openwall.com/lists/oss-security/2022/08/08/6enisa_euvd
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1013enisa_euvd
- http://www.openwall.com/lists/oss-security/2022/08/08/6Mailing ListThird Party Advisorynvd
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