CVE-2023-32453

Dell BIOS contains an improper authentication vulnerability. A malicious user with physical...

4.6 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Physical
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: Low

Exploit likelihood

0.24%Up 0.2 points since Aug 18, 2023

What each source reports

CVE List Score used 4.6

Record: CVE-2023-32453
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
Weakness: CWE-287
Updated: 2026-11-02

EUVDEUVD-2023-36697 4.6

Record: EUVD-2023-36697
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4qg5-96hp-hqjf 4.6

Dell BIOS contains an improper authentication vulnerability. A malicious user with physical...

Record: GHSA-4qg5-96hp-hqjf
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
Weakness: CWE-287
Updated: 2026-11-02

NVD 4.6

Record: CVE-2023-32453
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
CVSS 3.1: 3.9 LowCVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-287
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-32453 is a medium vulnerability (CVSS 4.6) in Dell Alienware M15 R7 Firmware, published August 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 14th percentile. No source names a fixed version.