CVE-2023-20507

LowCVSS 2.3/10Last modified Jun 17, 2026

Description

An integer overflow in the ASP could allow a privileged attacker to perform an out-of-bounds write, potentially resulting in loss of data integrity.

Metrics

CVSS 3.1 2.3/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Feb 11, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

Related CVEs from 2023

CVE-2023-205085.0Improper access control in the ASP could allow a privileged attacker to perform an out-of-bounds write to a memory location not controlled bCVE-2023-205095.2An insufficient DRAM address validation in PMFW may allow a privileged attacker to perform a DMA read from an invalid DRAM address to SRAM, CVE-2023-20518.8A vulnerability classified as critical has been found in Campcodes Advanced Online Voting System 1.0. Affected is an unknown function of theCVE-2023-205106.0An insufficient DRAM address validation in PMFW may allow a privileged attacker to read from an invalid DRAM address to SRAM, potentially reCVE-2023-205116.4Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentCVE-2023-205121.9A hardcoded AES key in PMFW may result in a privileged attacker gaining access to the key, potentially resulting in internal debug informaCVE-2023-205133.3An insufficient bounds check in PMFW (Power Management Firmware) may allow an attacker to utilize a malicious VF (virtualization function) tCVE-2023-205148.7Improper handling of parameters in the AMD Secure Processor (ASP) could allow a privileged attacker to pass an arbitrary memory value to funCVE-2023-205155.7Improper access control in the fTPM driver in the trusted OS could allow a privileged attacker to corrupt system memory, potentially leadingCVE-2023-205163.3Improper handling of insufficiency privileges in the ASP could allow a privileged attacker to modify Translation Map Registers (TMRs) potentCVE-2023-205181.9Incomplete cleanup in the ASP may expose the Master Encryption Key (MEK) to a privileged attacker with access to the BIOS menu or UEFI shellCVE-2023-205193.3A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's
CVE-2023-20507: Low severity, CVSS 2.3 | Vulnix