CVE-2020-12966

MEDIUM
5.5
CVSS Score
Published: February 4, 2022 at 10:29 PM UTC
Updated: June 17, 2026 at 02:52 AM UTC
214 products affected across 1 vendorEpyc 7663 FirmwareEpyc 7713P FirmwareEpyc 7413 Firmware

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
amd-epyc-7001 (same device)
All versions
amd-epyc-7002 (same device)
v < milanpi-sp3_1.0.0.5
Affected range stops below milanpi-sp3_1.0.0.5, so it looks safe — our inference, not a vendor statement
All versions
amd-epyc-7232p (same device)
All versions
amd-epyc-7251 (same device)
All versions
amd-epyc-7252 (same device)
All versions
amd-epyc-7261 (same device)
All versions
amd-epyc-7262 (same device)
All versions
amd-epyc-7272 (same device)
All versions
amd-epyc-7281 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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