CVE-2021-46768

MEDIUM
5.5
CVSS Score
Published: January 10, 2023 at 08:56 PM UTC
Updated: June 17, 2026 at 04:15 AM UTC
6 products affected across 1 vendorMilanpi FirmwareRomepi FirmwareMilanpi

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.

Affected

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

v < 1.0.0.5
Affected range stops below 1.0.0.5, so it looks safe — our inference, not a vendor statement
amd-milanpi (same device)
v < 1.0.0.d
Affected range stops below 1.0.0.d, so it looks safe — our inference, not a vendor statement
amd-romepi (same device)
All versions
All versions
80%
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 automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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