CVE & CISA-KEV Catalog

CVE-2020-12966

MEDIUM
5.5
CVSS v3
NVD

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.

CWE-200Information Exposure

How to fix

Remediation Available
epyc 7003 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 72f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7313 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7313p firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7343 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 73f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7413 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7443 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7443p firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7453 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 74f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7513 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7543 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7543p firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 75f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7643 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7663 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7713 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7713p firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD
epyc 7763 firmwareNVD
Affected:< milanpi-sp3_1.0.0.5Fixed in:milanpi-sp3_1.0.0.5CVE-2020-12966derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.31%probability of exploitation in 30 days
23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-24919High8.6100%KEV + Ransom-
CVE-2020-14181Medium5.3100%-Fix
CVE-2021-34429Medium5.399%-Fix
CVE-2018-11409Medium5.398%--
CVE-2021-41277Critical10.097%KEV-
CVE-2016-2183High7.596%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.