Description: 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 Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.
CVE-2021-21556
Published Date: 2021-06-14T19:15Z
Last Modified: 2021-06-23T18:03Z
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
Disclaimer
The content on this website is automatically sourced from external websites such as the National Vulnerability Database (NVD), GitHub, and other security-related sources. This content is for reference purposes only, and we are not responsible for the accuracy or integrity of the information linked or displayed from these sources.