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High 7.5Published Nov 12, 2021

CVE-2021-36323Dell BIOS contains an improper input validation vulnerability.

Updated under an hour ago ()

Does this affect you?

It affects Dell CPG BIOS and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

CVSS
7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-20
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
dell
NVD analysis
Modified
Record last updated
Oct 8, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Dell CPG BIOS
dell:cpg_bios (from the name)
from unspecified before 1.13.0
CNA record
dell alienware_13_r3_firmware
dell:alienware_13_r3_firmware
before 1.13.0
NVD
dell alienware_15_r3_firmware
dell:alienware_15_r3_firmware
before 1.13.0
NVD
dell alienware_15_r4_firmware
dell:alienware_15_r4_firmware
before 1.14.0
NVD
dell alienware_17_r4_firmware
dell:alienware_17_r4_firmware
before 1.13.0
NVD
dell alienware_17_r5_firmware
dell:alienware_17_r5_firmware
before 1.14.0
NVD
dell alienware_area_51m_r1_firmware
dell:alienware_area_51m_r1_firmware
before 1.15.1
NVD
dell alienware_area_51m_r2_firmware
dell:alienware_area_51m_r2_firmware
before 1.10.0
NVD
dell alienware_aurora_r11_firmware
dell:alienware_aurora_r11_firmware
before 1.0.9
NVD
dell alienware_aurora_r12_firmware
dell:alienware_aurora_r12_firmware
before 1.1.7
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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