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Vulnerability record · CVE-2023-20571 · published 14 November 2023

CVE-2023-20571: Amd ryzen 3 5100 firmware race condition vulnerability

AAmd · Ryzen 3 5100 Firmware

A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation.

8.1 CVSS 3.1 High EPSS 0.45% · top 63.4% CWE-362 · Race condition
8.1CVSS 3.1 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
71Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation.

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

Affected products

71 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-20596Amd ryzen 7 5700g firmware vulnerabilityImproper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbi…EPSS 1.0%9.8CVE-2022-23821Amd ryzen 9 3900 firmware vulnerabilityImproper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.EPSS 0.99%9.8CVE-2022-23820Amd ryzen 9 3900 firmware improper input validation vulnerabilityFailure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code execution.EPSS 0.70%8.8CVE-2023-20559Amd ryzen 7 5700g firmware vulnerabilityInsufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to escal…EPSS 0.67%8.8CVE-2023-20558Amd ryzen 7 5700g firmware vulnerabilityInsufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalat…EPSS 0.67%8.2CVE-2021-26365Amd ryzen 5 2400g firmware out-of-bounds read vulnerabilityCertain size values in firmware binary headers could trigger out of bounds reads during signature validation, leading to denial of service or potenti…EPSS 0.57%7.8CVE-2023-20563Amd ryzen 3 5100 firmware improper privilege management vulnerabilityInsufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.EPSS 0.20%7.8CVE-2023-20565Amd ryzen 3 5100 firmware improper privilege management vulnerabilityInsufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.EPSS 0.21%

Source: NIST National Vulnerability Database (record CVE-2023-20571), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.