What is CVE-2021-21557?

CVE-2021-21557 is a high-severity vulnerability in Dell Poweredge Bios Intel 15g, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2021-06-14.

How severe is CVE-2021-21557?

High severity. CVSS v3 base score is 8.1 out of 10.

Out-of-bounds Read in Dell Poweredge Bios Intel 15g

CVE-2021-21557

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, arb…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (26.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L.

Affected products

Dell Poweredge Bios Intel 15g — versions unspecified
Dell Poweredge_c4140
Dell Poweredge_c4140_firmware
Dell Poweredge_c6420
Dell Poweredge_c6420_firmware
Dell Poweredge_c6525
Dell Poweredge_c6525_firmware
Dell Poweredge_fc640
Dell Poweredge_fc640_firmware
Dell Poweredge_m640

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-125 — Out-of-bounds Read

References

security_alert@emc.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21557?: CVE-2021-21557 is a high-severity vulnerability in Dell Poweredge Bios Intel 15g, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2021-06-14.
How severe is CVE-2021-21557?: High severity. CVSS v3 base score is 8.1 out of 10.