CVE-2023-20528 - CVE House
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Status published Unknown CVE-2023-20528

Insufficient input validation in the SMU may allow a physical...

Vulnerability Description

Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

2nd Gen EPYC, 3rd Gen EPYC
Vulnerable Versions:
various

Timeline

Official Publish: January 10th, 2023
Last Modified: April 7th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.