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Medium severity · published Nov 12, 2021
CVE-2021-36325
Dell BIOS contains an improper input validation vulnerability
6.7
CVSS
0.2%
EPSS
No
On KEV
Description
Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CB
CPG BIOS · Dell
before 1.13.0 · source: vendor
A1
Alienware 13 R3 Firmware · Dell
before 1.13.0 · source: NVD
A1
Alienware 15 R3 Firmware · Dell
before 1.13.0 · source: NVD
A1
Alienware 15 R4 Firmware · Dell
before 1.14.0 · source: NVD
A1
Alienware 17 R4 Firmware · Dell
before 1.13.0 · source: NVD
A1
Alienware 17 R5 Firmware · Dell
before 1.14.0 · source: NVD
AA
Alienware Area 51m R1 Firmware · Dell
before 1.15.1 · source: NVD
AA
Alienware Area 51m R2 Firmware · Dell
before 1.10.0 · source: NVD
AA
Alienware Aurora R11 Firmware · Dell
before 1.0.9 · source: NVD
AA
Alienware Aurora R12 Firmware · Dell
before 1.1.7 · source: NVD
AA
Alienware Aurora R7 Firmware · Dell
before 1.0.25 · source: NVD
AA
Alienware Aurora R8 Firmware · Dell
before 1.0.17 · source: NVD
Affected product
CB
CPG BIOS
Dell
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36325
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36325
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000192967
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