← Vulnerability feed

Vulnerability record · CVE-2022-23821 · published 14 November 2023

CVE-2022-23821: Amd ryzen 9 3900 firmware vulnerability

AAmd · Ryzen 9 3900 Firmware

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

9.8 CVSS 3.1 Critical EPSS 0.99% · top 39.0%
9.8CVSS 3.1 base score
0.99%EPSS exploitation probability, 30 days
NoNot in CISA KEV
108Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

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

Affected products

108 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 Third Party Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Third Party Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

Track CVE-2022-23821 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

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-2023-20558Amd 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%8.8CVE-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%8.2CVE-2022-23815Amd athlon silver 3050u firmware out-of-bounds write vulnerabilityImproper bounds checking in APCB firmware may allow an attacker to perform an out of bounds write, corrupting the APCB entry, potentially leading to …EPSS 0.16%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-2023-20555Amd ryzen 3 3300 firmware out-of-bounds write vulnerabilityInsufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-cont…EPSS 0.32%7.8CVE-2021-26392Amd enterprise driver out-of-bounds write vulnerabilityInsufficient verification of missing size check in 'LoadModule' may lead to an out-of-bounds write potentially allowing an attacker with privileges t…EPSS 0.27%7.8CVE-2020-12931Amd enterprise driver vulnerabilityImproper parameters handling in the AMD Secure Processor (ASP) kernel may allow a privileged attacker to elevate their privileges potentially leading…EPSS 0.26%

Source: NIST National Vulnerability Database (record CVE-2022-23821), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.