Cyber Resilience

CVE-2022-23821

Critical

Published: 14 November 2023

Published
14 November 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0033 56.0th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-23821 is a critical-severity an unspecified weakness vulnerability in Amd Ryzen 9 3900 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 44.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

amd
ryzen 9 3900 firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 9 3900x firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 9 3900xt firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 9 3950x firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 7 3700x firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 7 3800x firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 7 3800xt firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 5 3500 firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 5 3500x firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
amd
ryzen 5 3600 firmware
comboam4_pi_1.0.0.9, comboam4_v2_pi_1.2.0.8
+98 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References