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Status published
High
CVE-2021-21557
Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Dell
View all reports →Affected Software
PowerEdge BIOS Intel 15G
Vulnerable Versions:
unspecified
Timeline
Official Publish:
June 14th, 2021
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L