CVE-2023-28063

Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated...

6.7 Medium

Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated malicious user with admin privileges could potentially exploit this vulnerability, leading to denial of service.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.16%Up 0.1 points since Feb 8, 2024

What each source reports

CVE List Score used 6.7

Record: CVE-2023-28063
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-195
Updated: 2026-11-02

EUVDEUVD-2023-31788 6.7

Record: EUVD-2023-31788
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-x379-72wq-8vwf 6.7

Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated...

Record: GHSA-x379-72wq-8vwf
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-195, CWE-681
Updated: 2026-11-02

NVD 6.7

Record: CVE-2023-28063
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-195, CWE-681
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-2023-28063 is a medium vulnerability (CVSS 6.7) in Dell Alienware M15 R6 Firmware, published February 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.