Description: 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, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.
CVE-2021-21555
Published Date: 2021-06-14T19:15Z
Last Modified: 2021-06-23T18:21Z
CVSS Score: 6.7 (MEDIUM)
EPSS Score: 0.04%
Risk Score: 4.69 (MEDIUM)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
CVSS:
6.7 |
EPSS:
0.04%
Mitre ATT&CK Technical v15.1
T1583.004 – Server
T1584.004 – Server
T1053.002 – At
Technical Analysis & Mitigation Measures
Reference Links
Vendor - Produce - Version
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