Security Advisory

CVE-2021-21556

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-06-14 19:10:15

Last updated 2024-09-17 01:40:39

Assigner dell

State PUBLISHED

Description

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N 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.

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