VulnerabilityModified
CVE-2021-21557
Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability.
MEDIUM 6.7EPSS 0.35%
Does this matter?
Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.
Description
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 Management Mode.
- CVSS 3.1
- 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-125
- Affected
- dell/poweredge r640 firmware · dell/poweredge r740 firmware · dell/poweredge r740xd firmware · dell/poweredge r940 firmware · dell/poweredge r540 firmware · dell/poweredge r440 firmware · dell/poweredge t440 firmware · dell/poweredge xr2 firmware · dell/poweredge r740xd2 firmware · dell/poweredge r840 firmware · dell/poweredge r940xa firmware · dell/poweredge t640 firmware · dell/poweredge c6420 firmware · dell/poweredge fc640 firmware · dell/poweredge m640 firmware · dell/poweredge m640p firmware · dell/poweredge mx740c firmware · dell/poweredge mx840c firmware · dell/poweredge c4140 firmware · dell/poweredge t140 firmware · +11 more
- Source
- security_alert@emc.com
References
- https://www.dell.com/support/kbdoc/000187958Patch, Vendor Advisory
- https://www.dell.com/support/kbdoc/000187958Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.