Buffer Overflow Vulnerability in Dell BIOSConnect Feature
CVE-2021-21574

7.2HIGH

Key Information:

Vendor

Dell
Status
BiOSconnect
Vendor
CVE Published:
24 June 2021

What is CVE-2021-21574?

The BIOSConnect feature in Dell systems is vulnerable to a buffer overflow, allowing an authenticated malicious administrator with local access to execute arbitrary code. This can enable the user to bypass UEFI security restrictions, potentially compromising the system's integrity and exposing sensitive information.

Affected Version(s)

BIOSConnect < unspecified

References

https://www.dell.com/support/kbdoc/en-us/000188682
x_refsource_MISC

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.