CVE-2023-20523

MediumCVSS 5.7/10Last modified Jun 17, 2026

Description

TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.

Metrics

CVSS 3.1 5.7/10CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-367

Affected software

No affected versions have been published.

Timeline

Published
Jan 11, 2023
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

CVE-2023-205247.5An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potCVE-2023-205256.5Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped reCVE-2023-205264.6Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memoCVE-2023-205276.5Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading toCVE-2023-205282.4Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leadinCVE-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 resultinCVE-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, poCVE-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-2023-20523: Medium severity, CVSS 5.7 | Vulnix