Vulnerability Description
TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.
CVSS Score
5.7
MEDIUM
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
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-2023-20523?
CVE-2023-20523 is a vulnerability with a CVSS score of 5.7 (MEDIUM). TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.
How severe is CVE-2023-20523?
CVE-2023-20523 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-20523?
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.