7.2
CVE-2021-21554
- EPSS 0.34%
- Veröffentlicht 14.06.2021 19:15:08
- Zuletzt bearbeitet 21.11.2024 05:48:35
- Erkennungen
LoginDell 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Dell ≫ Poweredge R640 Firmware Version < 2.9.4
Dell ≫ Poweredge R740 Firmware Version < 2.9.4
Dell ≫ Poweredge R740xd Firmware Version < 2.9.4
Dell ≫ Poweredge R940 Firmware Version < 2.9.4
Dell ≫ Poweredge R840 Firmware Version < 2.9.4
Dell ≫ Poweredge R940xa Firmware Version < 2.9.4
Dell ≫ Poweredge Mx740c Firmware Version < 2.9.4
Dell ≫ Poweredge Mx840c Firmware Version < 2.9.4
Dell ≫ Precision 7920 Firmware Version -
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.34% | 0.251 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| NIST | 6.7 | 0.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
|
| NIST | 7.2 | 3.9 | 10 |
AV:L/AC:L/Au:N/C:C/I:C/A:C
|
| EMC | 6.1 | 0.6 | 5.5 |
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L
|
CWE-122 Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
https://www.dell.com/support/kbdoc/000187958