CVE-2023-20532

MEDIUM
5.3
CVSS Score
Published: January 10, 2023 at 08:57 PM UTC
Updated: June 17, 2026 at 05:30 AM UTC
100 products affected across 1 vendorEpyc 7713P FirmwareEpyc 7663 FirmwareEpyc 7413 Firmware

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.

Affected

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

v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7002 (same device)
v < milanpi_1.0.0.5
Affected range stops below milanpi_1.0.0.5, so it looks safe — our inference, not a vendor statement
v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7232p (same device)
v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7252 (same device)
v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7262 (same device)
v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7272 (same device)
v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7282 (same device)
v < milanpi_1.0.0.5
Affected range stops below milanpi_1.0.0.5, so it looks safe — our inference, not a vendor statement
amd-epyc-72f3 (same device)
v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7302 (same device)
v < romepi_1.0.0.c
Affected range stops below romepi_1.0.0.c, so it looks safe — our inference, not a vendor statement
amd-epyc-7302p (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 exploitNot automatablePartial impact

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

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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