Is CVE-2021-46779 in the CISA KEV catalog?

No. CVE-2021-46779 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-46779?

CVE-2021-46779 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2021-46779?

CVE-2021-46779 has an EPSS score of 0.18% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-46779?

Upgrade milanpi firmware to 1.0.0.4 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-46779

HIGH

7.1

CVSS v3

NVD

Description

Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

milanpi firmwareNVD

Affected:< 1.0.0.4Fixed in:1.0.0.4CVE-2021-46779derived from NVD

naplespi firmwareNVD

Affected:< 1.0.0.gFixed in:1.0.0.gCVE-2021-46779derived from NVD

romepi firmwareNVD

Affected:< 1.0.0.cFixed in:1.0.0.cCVE-2021-46779derived 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

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.18%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1

amd.com

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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 2025-04-09.