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CVE-2021-46759

UNKNOWN
Published 2023-05-09T19:00:53.047Z
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Expert Analysis

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CVSS Score

V3.1
6.1
/10
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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: 0.148
Higher than 14.8% of all CVEs

Attack Vector Metrics

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

Improper syscall input validation in AMD TEE
(Trusted Execution Environment) may allow an attacker with physical access and
control of a Uapp that runs under the bootloader to reveal the contents of the
ASP (AMD Secure Processor) bootloader accessible memory to a serial port,
resulting in a potential loss of integrity.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

AMD

Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4

Affected Versions:

various
AMD

Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4

Affected Versions:

various
AMD

Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP

Affected Versions:

various
AMD

Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”

Affected Versions:

various
AMD

Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5

Affected Versions:

various
AMD

Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”

Affected Versions:

various
AMD

Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”

Affected Versions:

various
AMD

Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”

Affected Versions:

various
AMD

Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”

Affected Versions:

various

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-gp8r-64c4-ggqw

Advisory Details

Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of the ASP (AMD Secure Processor) bootloader accessible memory to a serial port, resulting in a potential loss of integrity.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-46759
WEB https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

Advisory provided by GitHub Security Advisory Database. Published: May 9, 2023, Modified: April 4, 2024

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
Published: 2023-05-09T19:00:53.047Z
Last Modified: 2025-01-27T17:34:38.069Z
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