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.
Published 2023-05-09 20:15:12
Updated 2023-05-22 15:42:00
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2021-46759

Exploit prediction scoring system (EPSS) score for CVE-2021-46759

0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-46759

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.1
MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
0.9
5.2
NIST

CWE ids for CVE-2021-46759

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)
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