Vulnerability Description
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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Epyc 7763 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7763 | - |
| Amd | Epyc 7713P Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7713P | - |
| Amd | Epyc 7713 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7713 | - |
| Amd | Epyc 7663 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7663 | - |
| Amd | Epyc 7643 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7643 | - |
| Amd | Epyc 75F3 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 75F3 | - |
| Amd | Epyc 7543P Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7543P | - |
| Amd | Epyc 7543 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7543 | - |
| Amd | Epyc 7513 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 7513 | - |
| Amd | Epyc 74F3 Firmware | < milanpi-sp3_1.0.0.5 |
| Amd | Epyc 74F3 | - |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/08/08/6Mailing ListThird Party Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1013MitigationVendor Advisory
- http://www.openwall.com/lists/oss-security/2022/08/08/6Mailing ListThird Party Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1013MitigationVendor Advisory
FAQ
What is CVE-2020-12966?
CVE-2020-12966 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...
How severe is CVE-2020-12966?
CVE-2020-12966 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-12966?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7763 Firmware, Amd Epyc 7763, Amd Epyc 7713P Firmware, Amd Epyc 7713P, Amd Epyc 7713 Firmware.