CVE-2021-21554 MEDIUM

CVE-2021-21554

Vendor Dell
Product PowerEdge BIOS Intel 15G
Weakness CWE-122
Published June 14, 2021
Last update September 16, 2024

CVSS base score

6.1/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and, Dell Precision 7920 Rack Workstation BIOS contain a stack-based buffer overflow vulnerability in systems with Intel Optane DC Persistent Memory installed. 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 UEFI or BIOS Preboot Environment.

Key dates

02Disclosure timeline

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