Vulnerability Monitor

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CVE-2021-46760


A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 14 products from amd, from amd, from amd and 11 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2023-05-09T20:15:12.283

Last Modified

2025-01-27T18:15:29.347

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses
  • Type: Primary
    CWE-119
  • Type: Secondary
    CWE-770

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System amd ryzen_3945wx_firmware castlepeakwspi-swrx8_1.0.0.9 Yes
Hardware amd ryzen_3945wx - No
Operating System amd ryzen_3955wx_firmware castlepeakwspi-swrx8_1.0.0.9 Yes
Hardware amd ryzen_3955wx - No
Operating System amd ryzen_3960x_firmware castlepeakwspi-swrx8_1.0.0.9 Yes
Hardware amd ryzen_3960x - No
Operating System amd ryzen_3970x_firmware castlepeakwspi-swrx8_1.0.0.9 Yes
Hardware amd ryzen_3970x - No
Operating System amd ryzen_3975wx_firmware castlepeakwspi-swrx8_1.0.0.9 Yes
Hardware amd ryzen_3975wx - No
Operating System amd ryzen_3990x_firmware castlepeakwspi-swrx8_1.0.0.9 Yes
Hardware amd ryzen_3990x - No
Operating System amd ryzen_3995wx_firmware castlepeakwspi-swrx8_1.0.0.9 Yes
Hardware amd ryzen_3995wx - No
Operating System amd ryzen_3945wx_firmware chagallwspi-swrx8_1.0.0.2 Yes
Hardware amd ryzen_3945wx - No
Operating System amd ryzen_3955wx_firmware chagallwspi-swrx8_1.0.0.2 Yes
Hardware amd ryzen_3955wx - No
Operating System amd ryzen_3960x_firmware chagallwspi-swrx8_1.0.0.2 Yes
Hardware amd ryzen_3960x - No
Operating System amd ryzen_3970x_firmware chagallwspi-swrx8_1.0.0.2 Yes
Hardware amd ryzen_3970x - No
Operating System amd ryzen_3975wx_firmware chagallwspi-swrx8_1.0.0.2 Yes
Hardware amd ryzen_3975wx - No
Operating System amd ryzen_3990x_firmware chagallwspi-swrx8_1.0.0.2 Yes
Hardware amd ryzen_3990x - No
Operating System amd ryzen_3995wx_firmware chagallwspi-swrx8_1.0.0.2 Yes
Hardware amd ryzen_3995wx - No
Operating System amd ryzen_3945wx_firmware castlepeakpi-sp3r3_1.0.0.7 Yes
Hardware amd ryzen_3945wx - No
Operating System amd ryzen_3955wx_firmware castlepeakpi-sp3r3_1.0.0.7 Yes
Hardware amd ryzen_3955wx - No
Operating System amd ryzen_3960x_firmware castlepeakpi-sp3r3_1.0.0.7 Yes
Hardware amd ryzen_3960x - No
Operating System amd ryzen_3970x_firmware castlepeakpi-sp3r3_1.0.0.7 Yes
Hardware amd ryzen_3970x - No
Operating System amd ryzen_3975wx_firmware castlepeakpi-sp3r3_1.0.0.7 Yes
Hardware amd ryzen_3975wx - No
Operating System amd ryzen_3990x_firmware castlepeakpi-sp3r3_1.0.0.7 Yes
Hardware amd ryzen_3990x - No
Operating System amd ryzen_3995wx_firmware castlepeakpi-sp3r3_1.0.0.7 Yes
Hardware amd ryzen_3995wx - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For amd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.