Dell PowerEdge Buffer Overflow Vulnerability

Dell PowerEdge Server BIOS is a system update driver from Dell Dell. A security vulnerability exists in Dell PowerEdge, which can be exploited by an attacker to cause a denial of service, arbitrary code execution, or information disclosure in a UEFI or BIOS pre-boot environment...

Dell PowerEdge Buffer Overflow Vulnerability

Dell PowerEdge Server BIOS is a system update driver from Dell, a security vulnerability in Dell PowerEdge that could be exploited by attackers to cause a denial of service, execute arbitrary code, or compromise information in a UEFI or BIOS pre-boot environment...

CVE-2021-21556

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Servic...

CVE-2021-21557

Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability. 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 System...

CVE-2021-21555

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a heap-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service...

CVE-2021-21554

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 exploi...

CVE-2021-21554

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 exploi...

CVE-2021-21555

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a heap-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service...

CVE-2021-21557

Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability. 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 System...

CVE-2021-21556

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Servic...

Out-of-bounds

Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability. 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 System...

Stack overflow

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Servic...

Heap overflow

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a heap-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service...

Stack overflow

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 exploi...

CVE-2021-21557

Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability. 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 System...

CVE-2021-21557

CVE-2021-21557 affects Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS, with an out-of-bounds array access in a privileged local context. The root cause is an out-of-bounds access in the BIOS/SMI handling, enabling a local attacker with high privileges to potentially cause denial o...

CVE-2021-21556

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Servic...

CVE-2021-21555

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a heap-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service...

CVE-2021-21555

CVE-2021-21555 affects Dell PowerEdge server BIOS on R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 with NVDIMM-N. Root cause: heap-based buffer overflow in BIOS/UEFI Preboot Environment. Local privileged users could cause denial of service, arbitrary code execution, or informat...

CVE-2021-21556

CVE-2021-21556 affects Dell PowerEdge BIOS/UEFI on R640/R740/R740XD/R840/R940/R940xa/MX740c/MX840c/T640 with NVDIMM-N. A stack-based buffer overflow in the BIOS Preboot Environment could allow a local high-privilege attacker to cause denial of service, execute arbitrary code, or disclose informat...