CVE-2023-20526

MediumCVSS 4.6/10Last modified Jun 17, 2026

Description

Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.

Metrics

CVSS 3.1 4.6/10CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected software

No affected versions have been published.

Timeline

Published: Nov 14, 2023
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2023

CVE-2023-205276.5Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to CVE-2023-205282.4Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leadin CVE-2023-205297.5Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in CVE-2023-20538.8A vulnerability, which was classified as critical, has been found in Campcodes Advanced Online Voting System 1.0. Affected by this issue is CVE-2023-205307.5Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of CVE-2023-205317.5Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resultin CVE-2023-205325.3Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.CVE-2023-205337.5Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, po CVE-2023-20548.8A vulnerability, which was classified as critical, was found in Campcodes Advanced Online Voting System 1.0. This affects an unknown part of CVE-2023-205401.8An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authe CVE-2023-205487.8A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in CVE-2023-20556.1A vulnerability has been found in Campcodes Advanced Online Voting System 1.0 and classified as problematic. This vulnerability affects unkn