CVE-2020-12966

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory amd.com
Affected: AMD 1st/2nd/3rd Gen AMD EPYC™ Processors
Published at:
Updated at:

References

Link Tags
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1013 mitigation vendor advisory
http://www.openwall.com/lists/oss-security/2022/08/08/6 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-12966?
CVE-2020-12966 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12966?
To fix CVE-2020-12966, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12966 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12966 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-12966?
CVE-2020-12966 affects AMD 1st/2nd/3rd Gen AMD EPYC™ Processors.
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