HIGH · 8.1

CVE-2023-20571

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.

Vulnerability 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 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AmdRyzen 3 5100 Firmware< comboam4v2_1.2.0.b
AmdRyzen 3 5100-
AmdRyzen 3 5300G Firmware< comboam4v2_1.2.0.b
AmdRyzen 3 5300G-
AmdRyzen 3 5300Ge Firmware< comboam4v2_1.2.0.b
AmdRyzen 3 5300Ge-
AmdRyzen 5 5500 Firmware< comboam4v2_1.2.0.b
AmdRyzen 5 5500-
AmdRyzen 5 5600G Firmware< comboam4v2_1.2.0.b
AmdRyzen 5 5600G-
AmdRyzen 5 5600Ge Firmware< comboam4v2_1.2.0.b
AmdRyzen 5 5600Ge-
AmdRyzen 7 5700 Firmware< comboam4v2_1.2.0.b
AmdRyzen 7 5700-
AmdRyzen 7 5700G Firmware< comboam4v2_1.2.0.b
AmdRyzen 7 5700G-
AmdRyzen 7 5700Ge Firmware< comboam4v2_1.2.0.b
AmdRyzen 7 5700Ge-
AmdRyzen 5 7500F Firmware< comboam5_1.0.7.0
AmdRyzen 5 7500F-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2023-20571?

CVE-2023-20571 is a vulnerability with a CVSS score of 8.1 (HIGH). 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.

How severe is CVE-2023-20571?

CVE-2023-20571 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20571?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Ryzen 3 5100 Firmware, Amd Ryzen 3 5100, Amd Ryzen 3 5300G Firmware, Amd Ryzen 3 5300G, Amd Ryzen 3 5300Ge Firmware.