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.
CVSS Score
2.4
LOW
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Epyc 7H12 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7H12 | - |
| Amd | Epyc 7F72 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7F72 | - |
| Amd | Epyc 7F52 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7F52 | - |
| Amd | Epyc 7F32 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7F32 | - |
| Amd | Epyc 7742 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7742 | - |
| Amd | Epyc 7702P Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7702P | - |
| Amd | Epyc 7702 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7702 | - |
| Amd | Epyc 7662 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7662 | - |
| Amd | Epyc 7642 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7642 | - |
| Amd | Epyc 7552 Firmware | < romepi_1.0.0.c |
| Amd | Epyc 7552 | - |
Related Weaknesses (CWE)
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032Vendor Advisory
FAQ
What is CVE-2023-20528?
CVE-2023-20528 is a vulnerability with a CVSS score of 2.4 (LOW). 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.
How severe is CVE-2023-20528?
CVE-2023-20528 has been rated LOW with a CVSS base score of 2.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-20528?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7H12 Firmware, Amd Epyc 7H12, Amd Epyc 7F72 Firmware, Amd Epyc 7F72, Amd Epyc 7F52 Firmware.