High severity · published Sep 6, 2022
CVE-2022-26858
Dell BIOS versions contain an Improper Authentication vulnerability
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
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 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Alienware M15 R6 Firmware · Dell
before 1.8.0 · source: NVD
C3
Chengming 3980 Firmware · Dell
before 2.21.0 · source: NVD
C3
Chengming 3988 Firmware · Dell
before 1.9.0 · source: NVD
C3
Chengming 3990 Firmware · Dell
before 1.8.2 · source: NVD
C3
Chengming 3991 Firmware · Dell
before 1.8.2 · source: NVD
EG
Edge Gateway 3000 Firmware · Dell
before 1.8.0 · source: NVD
EG
Edge Gateway 5000 Firmware · Dell
before 1.18.0 · source: NVD
EB
Embedded Box PC 3000 Firmware · Dell
before 1.14.0 · source: NVD
EB
Embedded Box PC 5000 Firmware · Dell
before 1.15.0 · source: NVD
G5
G15 5510 Firmware · Dell
before 1.8.0 · source: NVD
G5
G15 5511 Firmware · Dell
before 1.9.0 · source: NVD
G1
G3 15 3590 Firmware · Dell
before 1.16.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26858
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26858
Vendor Advisory
https://www.dell.com/support/kbdoc/000202194
More from Alienware M15 R6 Firmware
8.8
CVE-2022-34403
Dell BIOS contains a Stack based buffer overflow vulnerability
8.2
CVE-2024-52541
Dell Client Platform BIOS contains a Weak Authentication vulnerability
7.8
CVE-2022-26861
Dell BIOS versions contain an Insecure Automated Optimization vulnerability
7.8
CVE-2022-26860
Dell BIOS versions contain a stack-based buffer overflow vulnerability
7.5
CVE-2021-21574
Dell BIOSConnect feature contains a buffer overflow vulnerability