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Medium severity · published Feb 6, 2024
CVE-2023-28063
Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability
4.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CB
CPG BIOS · Dell
1.24.0; 1.17.0; 1.13.0; 1.5.1; 1.21.0; 1.20.0; +34 more · source: vendor
AM
Alienware M15 R6 Firmware · Dell
All versions, or not specified · source: NVD
AM
Alienware M15 R7 Firmware · Dell
All versions, or not specified · source: NVD
C3
Chengming 3900 Firmware · Dell
All versions, or not specified · source: NVD
C3
Chengming 3901 Firmware · Dell
All versions, or not specified · source: NVD
C3
Chengming 3910 Firmware · Dell
All versions, or not specified · source: NVD
C3
Chengming 3911 Firmware · Dell
All versions, or not specified · source: NVD
C3
Chengming 3990 Firmware · Dell
All versions, or not specified · source: NVD
C3
Chengming 3991 Firmware · Dell
All versions, or not specified · source: NVD
G5
G15 5510 Firmware · Dell
All versions, or not specified · source: NVD
G5
G15 5511 Firmware · Dell
All versions, or not specified · source: NVD
G5
G15 5520 Firmware · Dell
All versions, or not specified · source: NVD
Affected product
CB
CPG BIOS
Dell
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28063
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28063
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000214780/dsa-2023-176-dell-client-bios-security-update-for-a-signed-to-unsigned-conversion-error-vulnerability
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