CVE-2023-20594

MEDIUM
4.4
CVSS Score
Published: September 20, 2023 at 05:27 PM UTC
Updated: June 17, 2026 at 05:30 AM UTC
260 products affected across 1 vendorEpyc 7713P FirmwareEpyc 7663 FirmwareEpyc 7413 Firmware

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

Affected

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

amd-epyc-72f3 (same device)
amd-epyc-7313 (same device)
amd-epyc-7313p (same device)
amd-epyc-7343 (same device)
amd-epyc-7373x (same device)
amd-epyc-73f3 (same device)
amd-epyc-7413 (same device)
amd-epyc-7443 (same device)
amd-epyc-7443p (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

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

Quick Info

StatusMODIFIED
CWE
CWE-824CWE-665

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