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CVE-2021-46795

UNKNOWN
Published 2023-01-10T20:53:25.868Z
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Expert Analysis

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CVSS Score

V3.1
4.7
/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.112
Higher than 11.2% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

AMD

Ryzen 5000 Series

Affected Versions:

various
AMD

Ryzen 3000 Series

Affected Versions:

various

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-wfj9-288h-5mpm

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-46795
WEB https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031

Advisory provided by GitHub Security Advisory Database. Published: January 11, 2023, Modified: January 20, 2023

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031
Published: 2023-01-10T20:53:25.868Z
Last Modified: 2025-04-09T15:13:26.855Z
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