Description
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.
Published: 2026-09-02
Score: 7.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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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.

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

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

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

Link: CVE-2023-20576

cve-icon Vulnrichment

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

cve-icon NVD

Status : Awaiting Analysis

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

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

Link: CVE-2023-20576

cve-icon Redhat

Severity : Important

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

Links: CVE-2023-20576 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-345

    Insufficient Verification of Data Authenticity