Epyc 7H12 Firmware
CVE-2023-20523
MEDIUM
Severity by source
AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated medium severity (CVSS 5.7), this vulnerability is no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-367. 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. Affected products include: Amd Epyc 7H12 Firmware, Amd Epyc 7F72 Firmware, Amd Epyc 7F52 Firmware, Amd Epyc 7F32 Firmware, Amd Epyc 7742 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Same technique Denial Of Service
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External POC / Exploit Code
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