CVE-2021-46768

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

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

Related CVEs from 2021

CVE-2021-467698.8Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead CVE-2021-467717.8Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by CVE-2021-467723.9Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the strucCVE-2021-467738.8Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity orCVE-2021-467747.5Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, poCVE-2021-467756.8Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading toCVE-2021-467785.6Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” CVE-2021-467797.1Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASPCVE-2021-467806.1The Easy Google Maps WordPress plugin before 1.9.32 does not escape the tab parameter before outputting it back in an attribute in the adminCVE-2021-467816.1The Coming Soon by Supsystic WordPress plugin before 1.7.6 does not sanitise and escape the tab parameter before outputting it back in an atCVE-2021-467826.1The Pricing Table by Supsystic WordPress plugin before 1.9.5 does not escape the tab parameter before outputting it back in an attribute in CVE-2021-467846.5In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when pro
CVE-2021-46768: Medium severity, CVSS 5.5 | Vulnix