CVE-2023-20576 - Vulnerability Details - OpenCVE

Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00125.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://nvd.nist.gov/vuln/detail/CVE-2023-20576
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html
https://www.cve.org/CVERecord?id=CVE-2023-20576

History

Sat, 05 Sep 2026 08:30:00 +0000

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

Wed, 02 Sep 2026 20:00:00 +0000

Type	Values Removed	Values Added
Description	A vulnerability was found in AMD hardware due to insufficient verification of data authenticity in AGESA. This issue may allow a local unauthenticated attacker to update SPI ROM data, potentially resulting in denial of service or privilege escalation.	Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.

Projects

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MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-09-02T19:42:04.606Z

Updated: 2026-09-04T19:56:20.899Z

Reserved: 2022-10-27T18:53:39.756Z

Link: CVE-2023-20576

Vulnrichment

Updated: 2026-09-04T19:56:17.553Z

NVD

Status : Awaiting Analysis

Published: 2026-09-02T20:17:32.950

Modified: 2026-09-04T20:17:20.427

Link: CVE-2023-20576

Redhat

Severity : Important

Publid Date: 2024-02-13T00:00:00Z

Links: CVE-2023-20576 - Bugzilla

OpenCVE Enrichment

No data.

Weaknesses

CWE-345

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