Buffer Overflow Vulnerability in Dell BIOSConnect Feature
CVE-2021-21573

7.2HIGH

Key Information:

Vendor

Dell
Status
BiOSconnect
Vendor
CVE Published:
24 June 2021

What is CVE-2021-21573?

The Dell BIOSConnect feature is susceptible to a buffer overflow vulnerability that arises when an authenticated malicious admin user with local access to the system attempts to exploit the flaw. This vulnerability may allow the intruder to execute arbitrary code on the affected system, thereby bypassing the UEFI security restrictions imposed by the firmware. This could lead to significant security risks, making it imperative for users to apply relevant security patches to mitigate threats.

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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

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