Global infos:

Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls.

CVE Status: Modified

References:

[email protected]

af854a3a-2127-422b-91ae-364da2661108

Metrics:

Attribute	Value
Attack Complexity	HIGH
Attack Vector	LOCAL
Availability Impact	NONE
Base Score	6.1
Base Severity	MEDIUM
Confidentiality Impact	HIGH
Integrity Impact	LOW
Privileges Required	HIGH
Scope	CHANGED
User Interaction	NONE
Vector String	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N
Exploitability Score	0.8
Impact Score	4.7
Source	[email protected]
Type	Secondary

Links:

Exploit-db
Github