CVE-2021-46764

HIGH
7.5
CVSS Score
Published: May 9, 2023 at 06:36 PM UTC
Updated: June 17, 2026 at 04:15 AM UTC
98 products affected across 1 vendorEpyc 7663 FirmwareEpyc 7713P FirmwareEpyc 7413 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the ASP potentially resulting in a denial of service.

Affected

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

amd-epyc-7232p (same device)
amd-epyc-7252 (same device)
amd-epyc-7262 (same device)
amd-epyc-7272 (same device)
amd-epyc-7282 (same device)
amd-epyc-72f3 (same device)
amd-epyc-7302 (same device)
amd-epyc-7302p (same device)
amd-epyc-7313 (same device)
amd-epyc-7313p (same device)

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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