CVE-2022-23820

Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code execution.

Published: 2023-11-14 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-23820 is rated Moderate Risk (47.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.70%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-23820

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.18% 0.70% +0.51%
2 2025-11-21 0.36% 0.18% -0.18%
3 2025-11-18 — 0.36% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-23820

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 0.8 6.0 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]

Weakness enumeration for CVE-2022-23820

OS Trackers for CVE-2022-23820

vendor priority summary link
suse high — https://www.suse.com/security/cve/CVE-2022-23820/

Affected software / configurations for CVE-2022-23820

Vendor Product Version Raw CPE
amd ryzen_9_3900_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_9_3900_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_9_3900_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_3900_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_9_3900x_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_9_3900x_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_9_3900x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_3900x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_9_3900xt_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_9_3900xt_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_9_3900xt_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_3900xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_9_3950x_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_9_3950x_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_9_3950x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_3950x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_3700x_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_7_3700x_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_7_3700x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_3700x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_3800x_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_7_3800x_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_7_3800x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_3800x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_3800xt_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_7_3800xt_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_7_3800xt_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_3800xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_3500_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_3500_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_3500_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_3500_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_3500x_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_3500x_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_3500x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_3500x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_3600_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_3600_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_3600_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_3600_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_3600x_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_3600x_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_3600x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_3600x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_3600xt_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_3600xt_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_3600xt_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_3600xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_3_3100_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_3_3100_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_3_3100_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_3_3100_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_3_3300x_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_3_3300x_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_3_3300x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_3_3300x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_9_5900_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_5900_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_9_5900x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_5900x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_9_5950x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_5950x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_9_pro_5945_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_9_pro_5945_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_pro_5845_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_pro_5845_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_5800_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_5800_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_5800x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_5800x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_5700x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_5700x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_5600_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_5600_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_5600x_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_5600x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_56003xd_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_56003xd_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_pro_5645_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_pro_5645_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_5500_firmware comboam4v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_5500_firmware:comboam4v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_5500x_firmware comboam4v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_5500x_firmware:comboam4v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_55003xd_firmware comboam4v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_55003xd_firmware:comboam4v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_7_5700_firmware comboam4v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_7_5700_firmware:comboam4v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_3_5100_firmware comboam4v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_3_5100_firmware:comboam4v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_pro_3400g_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_pro_3400g_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_pro_3400g_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_pro_3400g_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_pro_3400ge_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_pro_3400ge_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_pro_3400ge_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_pro_3400ge_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_pro_3350g_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_pro_3350g_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_pro_3350g_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_pro_3350g_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_5_pro_3350ge_firmware comboam4_pi_1.0.0.9 cpe:2.3:o:amd:ryzen_5_pro_3350ge_firmware:comboam4_pi_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_5_pro_3350ge_firmware comboam4_v2_pi_1.2.0.8 cpe:2.3:o:amd:ryzen_5_pro_3350ge_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:*
amd ryzen_threadripper_2990wx_firmware summitpi-sp3r2_1.1.0.6 cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:summitpi-sp3r2_1.1.0.6:*:*:*:*:*:*:*
amd ryzen_threadripper_2970wx_firmware summitpi-sp3r2_1.1.0.6 cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:summitpi-sp3r2_1.1.0.6:*:*:*:*:*:*:*
amd ryzen_threadripper_2950x_firmware summitpi-sp3r2_1.1.0.6 cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:summitpi-sp3r2_1.1.0.6:*:*:*:*:*:*:*
amd ryzen_threadripper_2920x_firmware summitpi-sp3r2_1.1.0.6 cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:summitpi-sp3r2_1.1.0.6:*:*:*:*:*:*:*
amd ryzen_threadripper_pro_3995wx_firmware castlepeakpi-sp3r2_1.1.0.8 cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:castlepeakpi-sp3r2_1.1.0.8:*:*:*:*:*:*:*
amd ryzen_threadripper_pro_3975wx_firmware castlepeakpi-sp3r2_1.1.0.8 cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:castlepeakpi-sp3r2_1.1.0.8:*:*:*:*:*:*:*
amd ryzen_threadripper_pro_3955wx_firmware castlepeakpi-sp3r2_1.1.0.8 cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:castlepeakpi-sp3r2_1.1.0.8:*:*:*:*:*:*:*
amd ryzen_threadripper_pro_3945wx_firmware castlepeakpi-sp3r2_1.1.0.8 cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:castlepeakpi-sp3r2_1.1.0.8:*:*:*:*:*:*:*
amd ryzen_threadripper_3990x_firmware castlepeakpi-sp3r2_1.1.0.8 cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:castlepeakpi-sp3r2_1.1.0.8:*:*:*:*:*:*:*
amd ryzen_threadripper_3970x_firmware castlepeakpi-sp3r2_1.1.0.8 cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:castlepeakpi-sp3r2_1.1.0.8:*:*:*:*:*:*:*
amd ryzen_threadripper_3960x_firmware castlepeakpi-sp3r2_1.1.0.8 cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:castlepeakpi-sp3r2_1.1.0.8:*:*:*:*:*:*:*
amd athlon_3015e_firmware pollockpi-ft5_1.0.0.5 cpe:2.3:o:amd:athlon_3015e_firmware:pollockpi-ft5_1.0.0.5:*:*:*:*:*:*:*
amd athlon_3015ce_firmware pollockpi-ft5_1.0.0.5 cpe:2.3:o:amd:athlon_3015ce_firmware:pollockpi-ft5_1.0.0.5:*:*:*:*:*:*:*
amd ryzen_7_3780u_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_7_3780u_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_7_3750h_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_7_3750h_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_7_3700c_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_7_3700c_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_7_3700u_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_7_3700u_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_5_3580u_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_5_3580u_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_5_3550h_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_5_3550h_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_5_3500c_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_5_3500c_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_5_3500u_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_5_3500u_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_5_3450u_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_5_3450u_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_3_3350u_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_3_3350u_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_3_3300u_firmware picassopi-fp5_1.0.0.e cpe:2.3:o:amd:ryzen_3_3300u_firmware:picassopi-fp5_1.0.0.e:*:*:*:*:*:*:*
amd ryzen_9_4900h_firmware renoirpi-fp6_1.0.0.9 cpe:2.3:o:amd:ryzen_9_4900h_firmware:renoirpi-fp6_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_9_4900hs_firmware renoirpi-fp6_1.0.0.9 cpe:2.3:o:amd:ryzen_9_4900hs_firmware:renoirpi-fp6_1.0.0.9:*:*:*:*:*:*:*
amd ryzen_7_4800hs_firmware renoirpi-fp6_1.0.0.9 cpe:2.3:o:amd:ryzen_7_4800hs_firmware:renoirpi-fp6_1.0.0.9:*:*:*:*:*:*:*

References for CVE-2022-23820

cvelogic Threat Intelligence