Description
A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.
Published: 2023-01-10
Score: 4.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-33451 A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.
History

Wed, 09 Apr 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Amd Cezannepi-fp6 Cezannepi-fp6 Firmware Comboam4v2 Pi Comboam4v2 Pi Firmware Renoirpi-fp6 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2025-04-09T15:13:26.855Z

Reserved: 2022-05-04T18:14:06.438Z

Link: CVE-2021-46795

cve-icon Vulnrichment

Updated: 2024-08-04T05:17:42.312Z

cve-icon NVD

Status : Modified

Published: 2023-01-11T08:15:13.347

Modified: 2025-04-09T15:15:45.247

Link: CVE-2021-46795

cve-icon Redhat

Severity : Low

Publid Date: 2023-01-10T06:30:00Z

Links: CVE-2021-46795 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses