Improper Input Validation in Dell BIOS Affects System Security
CVE-2023-28034

5.1MEDIUM

Key Information:

Vendor

Dell
Status
Cpg BiOS
Vendor
CVE Published:
23 June 2023

What is CVE-2023-28034?

The Dell BIOS has a vulnerability stemming from improper input validation, enabling a local authenticated user with administrator privileges to tamper with UEFI variables. This flaw poses a risk to system integrity and may allow for unauthorized modifications, potentially compromising the security of affected systems. It is vital for users to review their BIOS versions and apply the necessary security updates to mitigate potential exploitation.

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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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