CVE-2023-20572 - Vulnerability Details - OpenCVE

An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authentication code, allowing the input of an arbitrary message, potentially leading to a loss of data integrity.

Attack Vector Local

Attack Complexity High

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4012.html

History

Fri, 26 Jun 2026 17:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 26 Jun 2026 16:00:00 +0000

Type	Values Removed	Values Added
Description		An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authentication code, allowing the input of an arbitrary message, potentially leading to a loss of data integrity.
Weaknesses		CWE-208
References		https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4012.html
Metrics		cvssV4_0 `{'score': 5.6, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-06-26T15:53:38.503Z

Updated: 2026-06-26T15:59:23.309Z

Reserved: 2022-10-27T18:53:39.755Z

Link: CVE-2023-20572

Vulnrichment

Updated: 2026-06-26T15:59:19.354Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-26T17:30:05Z

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