High severity8.1NVD Advisory· Published Jun 14, 2021· Updated Jun 17, 2026
CVE-2021-21557
CVE-2021-21557
Description
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.
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Affected products
3- Range: unspecified
Patches
Vulnerability mechanics
References
1- www.dell.com/support/kbdoc/000187958nvdPatchVendor Advisory
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