CVE-2021-21557 HIGH

CVE-2021-21557

Vendor Dell
Product PowerEdge BIOS Intel 15G
Weakness CWE-20 · Input validation
Published June 14, 2021
Last update September 16, 2024

CVSS base score

8.1/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L

What the vulnerability does

01Description

Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of service, arbitrary code execution, or information disclosure in System Management Mode.

Key dates

02Disclosure timeline

June 14, 2021 CVE published
September 16, 2024 Record updated