Improper Input Validation in Dell BIOS Affects UEFI Variable Modification
CVE-2023-28027

5.1MEDIUM

Key Information:

Vendor

Dell
Status
Cpg BiOS
Vendor
CVE Published:
23 June 2023

What is CVE-2023-28027?

The Dell BIOS has been identified with a vulnerability related to improper input validation. This flaw allows a local, authenticated user with administrative privileges to potentially exploit the vulnerability, enabling them to alter UEFI variables. Such modifications could lead to serious security implications, making it essential for systems utilizing affected versions of Dell BIOS to be updated promptly to mitigate risks.

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Affected Version(s)

CPG BIOS All Versions

References

https://www.dell.com/support/kbdoc/en-us/000212204/dsa-20...
vendor-advisory

CVSS V3.1

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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