CVE-2022-34398

Dell BIOS contains a Time-of-check Time-of-use vulnerability. A local authenticated malicious user could\u00a0potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI to gain arbitrary code execution on the system.

Published: 2023-02-01 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-34398 is rated Low Risk (32/100): CVSS High severity, with low exploitation likelihood (EPSS 0.16%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2022-34398

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 0.04% 0.16% +0.12%
2 2026-05-02 0.08% 0.04% -0.04%
3 2026-02-02 — 0.08% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-34398

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:L/UI:R/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:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
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]
7.0 3.1 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/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:L)
A normal user session is enough; they don’t have to be admin.
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.
 1.0 5.9 [email protected]

Weakness enumeration for CVE-2022-34398

Affected software / configurations for CVE-2022-34398

Vendor Product Version Raw CPE
dell alienware_area_51m_r1_firmware < 1.22.2 cpe:2.3:o:dell:alienware_area_51m_r1_firmware:*:*:*:*:*:*:*:*
dell alienware_area_51m_r2_firmware < 1.19.0 cpe:2.3:o:dell:alienware_area_51m_r2_firmware:*:*:*:*:*:*:*:*
dell alienware_aurora_r10_firmware < 2.3.2 cpe:2.3:o:dell:alienware_aurora_r10_firmware:*:*:*:*:*:*:*:*
dell alienware_aurora_r11_firmware < 1.0.17 cpe:2.3:o:dell:alienware_aurora_r11_firmware:*:*:*:*:*:*:*:*
dell alienware_aurora_r12_firmware < 1.1.17 cpe:2.3:o:dell:alienware_aurora_r12_firmware:*:*:*:*:*:*:*:*
dell alienware_aurora_r13_firmware < 1.7.0 cpe:2.3:o:dell:alienware_aurora_r13_firmware:*:*:*:*:*:*:*:*
dell alienware_aurora_r8_firmware < 1.0.26 cpe:2.3:o:dell:alienware_aurora_r8_firmware:*:*:*:*:*:*:*:*
dell alienware_aurora_r9_firmware < 1.0.22 cpe:2.3:o:dell:alienware_aurora_r9_firmware:*:*:*:*:*:*:*:*
dell alienware_m15_r1_firmware < 2.15.0 cpe:2.3:o:dell:alienware_m15_r1_firmware:*:*:*:*:*:*:*:*
dell alienware_m15_r2_firmware < 1.18.3 cpe:2.3:o:dell:alienware_m15_r2_firmware:*:*:*:*:*:*:*:*
dell alienware_m15_r3_firmware < 1.20.0 cpe:2.3:o:dell:alienware_m15_r3_firmware:*:*:*:*:*:*:*:*
dell alienware_m15_r4_firmware < 1.14.0 cpe:2.3:o:dell:alienware_m15_r4_firmware:*:*:*:*:*:*:*:*
dell alienware_m17_r1_firmware < 2.15.0 cpe:2.3:o:dell:alienware_m17_r1_firmware:*:*:*:*:*:*:*:*
dell alienware_m17_r2_firmware < 1.18.3 cpe:2.3:o:dell:alienware_m17_r2_firmware:*:*:*:*:*:*:*:*
dell alienware_m17_r3_firmware < 1.20.0 cpe:2.3:o:dell:alienware_m17_r3_firmware:*:*:*:*:*:*:*:*
dell alienware_m17_r4_firmware < 1.14.0 cpe:2.3:o:dell:alienware_m17_r4_firmware:*:*:*:*:*:*:*:*
dell alienware_x14_firmware < 1.7.0 cpe:2.3:o:dell:alienware_x14_firmware:*:*:*:*:*:*:*:*
dell alienware_x15_r1_firmware < 1.14.0 cpe:2.3:o:dell:alienware_x15_r1_firmware:*:*:*:*:*:*:*:*
dell alienware_x15_r2_firmware < 1.8.2 cpe:2.3:o:dell:alienware_x15_r2_firmware:*:*:*:*:*:*:*:*
dell alienware_x17_r1_firmware < 1.14.0 cpe:2.3:o:dell:alienware_x17_r1_firmware:*:*:*:*:*:*:*:*
dell alienware_x17_r2_firmware < 1.8.2 cpe:2.3:o:dell:alienware_x17_r2_firmware:*:*:*:*:*:*:*:*
dell aurora_r14_firmware < 2.5.0 cpe:2.3:o:dell:aurora_r14_firmware:*:*:*:*:*:*:*:*
dell chengming_3980_firmware < 2.26.0 cpe:2.3:o:dell:chengming_3980_firmware:*:*:*:*:*:*:*:*
dell chengming_3988_firmware < 1.13.0 cpe:2.3:o:dell:chengming_3988_firmware:*:*:*:*:*:*:*:*
dell chengming_3990_firmware < 1.16.2 cpe:2.3:o:dell:chengming_3990_firmware:*:*:*:*:*:*:*:*
dell chengming_3991_firmware < 1.16.2 cpe:2.3:o:dell:chengming_3991_firmware:*:*:*:*:*:*:*:*
dell dell_g3_15_3590_firmware < 1.19.0 cpe:2.3:o:dell:dell_g3_15_3590_firmware:*:*:*:*:*:*:*:*
dell dell_g3_3579_firmware < 1.24.0 cpe:2.3:o:dell:dell_g3_3579_firmware:*:*:*:*:*:*:*:*
dell dell_g3_3779_firmware < 1.24.0 cpe:2.3:o:dell:dell_g3_3779_firmware:*:*:*:*:*:*:*:*
dell dell_g5_15_5590_firmware < 1.22.0 cpe:2.3:o:dell:dell_g5_15_5590_firmware:*:*:*:*:*:*:*:*
dell dell_g5_5000_firmware < 1.11.0 cpe:2.3:o:dell:dell_g5_5000_firmware:*:*:*:*:*:*:*:*
dell dell_g5_5090_firmware < 1.17.0 cpe:2.3:o:dell:dell_g5_5090_firmware:*:*:*:*:*:*:*:*
dell dell_g7_15_7590_firmware < 1.22.0 cpe:2.3:o:dell:dell_g7_15_7590_firmware:*:*:*:*:*:*:*:*
dell dell_g7_17_7790_firmware < 1.22.0 cpe:2.3:o:dell:dell_g7_17_7790_firmware:*:*:*:*:*:*:*:*
dell dell_latitude_3480_firmware < 1.23.0 cpe:2.3:o:dell:dell_latitude_3480_firmware:*:*:*:*:*:*:*:*
dell dell_latitude_3580_firmware < 1.23.0 cpe:2.3:o:dell:dell_latitude_3580_firmware:*:*:*:*:*:*:*:*
dell edge_gateway_3000_firmware < 1.10.0 cpe:2.3:o:dell:edge_gateway_3000_firmware:*:*:*:*:*:*:*:*
dell edge_gateway_5000_firmware < 1.20.0 cpe:2.3:o:dell:edge_gateway_5000_firmware:*:*:*:*:*:*:*:*
dell embedded_box_pc_3000_firmware < 1.16.0 cpe:2.3:o:dell:embedded_box_pc_3000_firmware:*:*:*:*:*:*:*:*
dell embedded_box_pc_3000_firmware 1.16.0 cpe:2.3:o:dell:embedded_box_pc_3000_firmware:1.16.0:*:*:*:*:*:*:*
dell embedded_box_pc_5000_firmware < 1.18.0 cpe:2.3:o:dell:embedded_box_pc_5000_firmware:*:*:*:*:*:*:*:*
dell inspiron_3280_firmware < 1.17.2 cpe:2.3:o:dell:inspiron_3280_firmware:*:*:*:*:*:*:*:*
dell inspiron_3470_firmware < 2.26.0 cpe:2.3:o:dell:inspiron_3470_firmware:*:*:*:*:*:*:*:*
dell inspiron_3471_firmware < 1.13.0 cpe:2.3:o:dell:inspiron_3471_firmware:*:*:*:*:*:*:*:*
dell inspiron_3480_firmware < 1.21.0 cpe:2.3:o:dell:inspiron_3480_firmware:*:*:*:*:*:*:*:*
dell inspiron_3481_firmware < 1.20.0 cpe:2.3:o:dell:inspiron_3481_firmware:*:*:*:*:*:*:*:*
dell inspiron_3482_firmware < 1.17.0 cpe:2.3:o:dell:inspiron_3482_firmware:*:*:*:*:*:*:*:*
dell inspiron_3502_firmware < 1.10.1 cpe:2.3:o:dell:inspiron_3502_firmware:*:*:*:*:*:*:*:*
dell inspiron_3510_firmware < 1.11.1 cpe:2.3:o:dell:inspiron_3510_firmware:*:*:*:*:*:*:*:*
dell inspiron_3521_firmware < 1.6.1 cpe:2.3:o:dell:inspiron_3521_firmware:*:*:*:*:*:*:*:*
dell inspiron_3580_firmware < 1.21.0 cpe:2.3:o:dell:inspiron_3580_firmware:*:*:*:*:*:*:*:*
dell inspiron_3583_firmware < 1.21.0 cpe:2.3:o:dell:inspiron_3583_firmware:*:*:*:*:*:*:*:*
dell inspiron_3581_firmware < 1.20.0 cpe:2.3:o:dell:inspiron_3581_firmware:*:*:*:*:*:*:*:*
dell inspiron_3584_firmware < 1.20.0 cpe:2.3:o:dell:inspiron_3584_firmware:*:*:*:*:*:*:*:*
dell inspiron_3582_firmware < 1.17.0 cpe:2.3:o:dell:inspiron_3582_firmware:*:*:*:*:*:*:*:*
dell inspiron_3670_firmware < 2.26.0 cpe:2.3:o:dell:inspiron_3670_firmware:*:*:*:*:*:*:*:*
dell inspiron_3671_firmware < 1.13.0 cpe:2.3:o:dell:inspiron_3671_firmware:*:*:*:*:*:*:*:*
dell inspiron_3780_firmware < 1.21.0 cpe:2.3:o:dell:inspiron_3780_firmware:*:*:*:*:*:*:*:*
dell inspiron_3781_firmware < 1.20.0 cpe:2.3:o:dell:inspiron_3781_firmware:*:*:*:*:*:*:*:*
dell inspiron_3782_firmware < 1.17.0 cpe:2.3:o:dell:inspiron_3782_firmware:*:*:*:*:*:*:*:*
dell inspiron_3880_firmware < 1.16.2 cpe:2.3:o:dell:inspiron_3880_firmware:*:*:*:*:*:*:*:*
dell inspiron_3881_firmware < 1.16.0 cpe:2.3:o:dell:inspiron_3881_firmware:*:*:*:*:*:*:*:*
dell inspiron_5400_firmware < 1.15.0 cpe:2.3:o:dell:inspiron_5400_firmware:*:*:*:*:*:*:*:*
dell inspiron_5401_all-in-one_firmware < 1.15.0 cpe:2.3:o:dell:inspiron_5401_all-in-one_firmware:*:*:*:*:*:*:*:*
dell inspiron_5477_firmware < 1.2.23 cpe:2.3:o:dell:inspiron_5477_firmware:*:*:*:*:*:*:*:*
dell inspiron_5480_firmware < 2.18.0 cpe:2.3:o:dell:inspiron_5480_firmware:*:*:*:*:*:*:*:*
dell inspiron_5481_2-in-1_firmware < 2.18.0 cpe:2.3:o:dell:inspiron_5481_2-in-1_firmware:*:*:*:*:*:*:*:*
dell inspiron_5490_all-in-one_firmware < 1.17.0 cpe:2.3:o:dell:inspiron_5490_all-in-one_firmware:*:*:*:*:*:*:*:*
dell inspiron_5570_firmware < 1.12.0 cpe:2.3:o:dell:inspiron_5570_firmware:*:*:*:*:*:*:*:*
dell inspiron_5680_firmware < 2.13.0 cpe:2.3:o:dell:inspiron_5680_firmware:*:*:*:*:*:*:*:*
dell inspiron_5770_firmware < 1.12.0 cpe:2.3:o:dell:inspiron_5770_firmware:*:*:*:*:*:*:*:*
dell inspiron_7590_firmware < 1.16.0 cpe:2.3:o:dell:inspiron_7590_firmware:*:*:*:*:*:*:*:*
dell inspiron_7591_firmware < 1.16.0 cpe:2.3:o:dell:inspiron_7591_firmware:*:*:*:*:*:*:*:*
dell inspiron_7700_all-in-one_firmware < 1.15.0 cpe:2.3:o:dell:inspiron_7700_all-in-one_firmware:*:*:*:*:*:*:*:*
dell inspiron_7777_firmware < 1.2.23 cpe:2.3:o:dell:inspiron_7777_firmware:*:*:*:*:*:*:*:*
dell inspiron_7790_firmware < 1.17.0 cpe:2.3:o:dell:inspiron_7790_firmware:*:*:*:*:*:*:*:*
dell latitude_13_3380_firmware < 1.21.0 cpe:2.3:o:dell:latitude_13_3380_firmware:*:*:*:*:*:*:*:*
dell latitude_3120_firmware < 1.12.1 cpe:2.3:o:dell:latitude_3120_firmware:*:*:*:*:*:*:*:*
dell latitude_3180_firmware < 1.21.0 cpe:2.3:o:dell:latitude_3180_firmware:*:*:*:*:*:*:*:*
dell latitude_3189_firmware < 1.21.0 cpe:2.3:o:dell:latitude_3189_firmware:*:*:*:*:*:*:*:*

References for CVE-2022-34398

cvelogic Threat Intelligence