CVE-2023-32453 Auth bypass in CPG BIOS

Medium 4.6 Published Updated

A malicious user with physical access can bypass authentication to modify critical UEFI variables in Dell BIOS.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-32453?

CVE-2023-32453 is a medium-severity authentication bypass vulnerability in Dell Inspiron 3493 Firmware, published on 16 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell BIOS contains an improper authentication vulnerability. A malicious user with physical access to the system may potentially exploit this vulnerability in order to modify a security-critical UEFI variable without knowledge of the BIOS administrator.

Weakness: CWE-287

Which versions are affected by CVE-2023-32453?

It affects 111 products.

Products include Dell Alienware M15 R7 Firmware, Dell Alienware M16 Firmware, Dell Alienware M18 Firmware, Dell Chengming 3900 Firmware, Dell Chengming 3901 Firmware, Dell Chengming 3910 Firmware and 105 more.

How do I fix CVE-2023-32453?

No fix has been published for CVE-2023-32453 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-32453 being exploited?

There is no known exploitation of CVE-2023-32453 in the wild and no public exploit code.

All Dell Inspiron 3493 Firmware vulnerabilities

Sources

Also known as GHSA-4qg5-96hp-hqjf.

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