CVE-2021-46779

HIGH
7.1
CVSS Score
Published: January 10, 2023 at 08:56 PM UTC
Updated: June 17, 2026 at 04:15 AM UTC
9 products affected across 1 vendorMilanpi FirmwareRomepi FirmwareNaplespi Firmware

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

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

v < 1.0.0.4
Affected range stops below 1.0.0.4, so it looks safe — our inference, not a vendor statement
amd-milanpi (same device)
v < 1.0.0.g
Affected range stops below 1.0.0.g, so it looks safe — our inference, not a vendor statement
amd-naplespi (same device)
v < 1.0.0.c
Affected range stops below 1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-romepi (same device)
All versions
All versions
All versions
80%
All versions
All versions
80%
All versions

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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