DellCVELIST:CVE-2021-21556CVE-2021-21556
6.1 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L
7.1 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
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.
CNA Affected
[
{
"product": "PowerEdge BIOS Intel 15G",
"vendor": "Dell",
"versions": [
{
"lessThan": "2.11.2",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]References
Related
6.1 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L
7.1 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%