Dell Precision Rack, 14G Intel BIOS versions prior to 2.22.2, contains an Access of Memory Location After End of Buffer vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure.

Dell Precision Rack, 14G Intel BIOS versions prior to 2.22.2, contains an Improper Input Validation vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure.

Dell Precision Tower BIOS contains an Improper Input Validation vulnerability. A locally authenticated malicious user with admin privileges could potentially exploit this vulnerability to perform arbitrary code execution.

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.

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.

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and, Dell Precision 7920 Rack Workstation BIOS contain a stack-based buffer overflow vulnerability in systems with Intel Optane DC Persistent Memory installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.

Dell Client Consumer and Commercial platforms include an improper authorization vulnerability in the Dell Manageability interface for which an unauthorized actor, with local system access with OS administrator privileges, could bypass the BIOS Administrator authentication to restore BIOS Setup configuration to default values.

Select Dell Client Commercial and Consumer platforms contain an Improper Access Vulnerability. An unauthenticated attacker with physical access to the system could potentially bypass intended Secure Boot restrictions to run unsigned and untrusted code on expansion cards installed in the system during platform boot. Refer to https://www.dell.com/support/article/us/en/04/sln317683/dsa-2019-043-dell-client-improper-access-control-vulnerability?lang=en for versions affected by this vulnerability.