Global infos:

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable.

CVE Status: Modified

References:

[email protected]

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

Metrics:

Attribute	Value
Attack Complexity	LOW
Attack Vector	LOCAL
Availability Impact	LOW
Base Score	5.1
Base Severity	MEDIUM
Confidentiality Impact	NONE
Integrity Impact	HIGH
Privileges Required	HIGH
Scope	UNCHANGED
User Interaction	NONE
Vector String	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
Exploitability Score	0.8
Impact Score	4.2
Source	[email protected]
Type	Secondary

Links:

Exploit-db
Github