CVE Vulnerability

CVE-2021-21573

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.

6.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://www.dell.com/support/kbdoc/en-us/000188682 Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-06-24 05:15

Updated : 2021-06-30 07:39

NVD link : CVE-2021-21573

Mitre link : CVE-2021-21573

Products Affected

Dell

Latitude 5420 Firmware

CWE
CWE-787