SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-36283

Dell BIOS contains an improper input validation vulnerability.

MEDIUM 6.7EPSS 0.25%

Does this matter?

Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.

Description

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 3.1
6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.25% probability · 16th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
dell/chengming 3990 firmware · dell/chengming 3991 firmware · dell/g3 15 3500 firmware · dell/g3 15 3590 firmware · dell/g3 15 5500 firmware · dell/inspiron 3493 firmware · dell/inspiron 3501 firmware · dell/inspiron 3593 firmware · dell/inspiron 3793 firmware · dell/inspiron 3880 firmware · dell/inspiron 3881 firmware · dell/inspiron 5400 2-in-1 firmware · dell/inspiron 5490 firmware · dell/inspiron 5493 firmware · dell/inspiron 5498 firmware · dell/inspiron 5590 firmware · dell/inspiron 5593 firmware · dell/inspiron 5598 firmware · dell/inspiron 7391 2-in-1 firmware · dell/inspiron 7500 firmware · +40 more
Source
security_alert@emc.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.