VULNERABILITY INTELLIGENCE

CVE-2021-21557

CVSS score8.1 HIGH
EPSS probability0.35%
CISA KEVNot currently listed
Published2021-06-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L

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.

Weakness classification

  • security_alert@emc.com: CWE-20
  • nvd@nist.gov: CWE-125

Primary references