Medium severity · published Aug 16, 2023
CVE-2023-28075
Dell BIOS contain a Time-of-check Time-of-use vulnerability in BIOS
6.3
CVSS
0.2%
EPSS
No
On KEV
Description
Dell BIOS contain a Time-of-check Time-of-use vulnerability in BIOS. A local authenticated malicious user with physical access to the system could potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI in order to gain arbitrary code execution on the system.
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Alienware M15 R7 Firmware · Dell
before 1.18.0 · source: NVD
AM
Alienware M16 Firmware · Dell
before 1.10.1 · source: NVD
AM
Alienware M18 Firmware · Dell
before 1.10.1 · source: NVD
C3
Chengming 3900 Firmware · Dell
before 1.15.0 · source: NVD
C3
Chengming 3901 Firmware · Dell
before 1.15.0 · source: NVD
C3
Chengming 3910 Firmware · Dell
before 1.6.0 · source: NVD
C3
Chengming 3911 Firmware · Dell
before 1.6.0 · source: NVD
C3
Chengming 3980 Firmware · Dell
before 2.32.0 · source: NVD
C3
Chengming 3990 Firmware · Dell
before 1.21.0 · source: NVD
C3
Chengming 3991 Firmware · Dell
before 1.21.0 · source: NVD
EG
Edge Gateway 3000 Firmware · Dell
before 1.13.0 · source: NVD
EG
Edge Gateway 5000 Firmware · Dell
before 1.23.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28075
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28075
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000212817/dsa-2023-152-security-update-for-a-dell-client-bios-vulnerability
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