VULNERABILITY INTELLIGENCE

CVE-2021-21573

CVSS score7.2 HIGH
EPSS probability0.28%
CISA KEVNot currently listed
Published2021-06-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Description

Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.

Weakness classification

  • security_alert@emc.com: CWE-121
  • nvd@nist.gov: CWE-787

Primary references