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01 Record

CVE-2021-36284

Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive admin

MediumPUBLISHEDCNA: dell
CNA base score5.7 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

02 Description

Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive admin

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 13.9% of scored records. A rank, not a probability.
NVD base score
4.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-09-28 19:20Z5 YR AGO
Last updated
2024-09-17 02:20Z2 YR AGO
Reserved
2021-07-08
Assigning CNA
dell
Record state
PUBLISHED
Severity
Medium (CVSS 5.7)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Weaknesses
  • CWE-307Improper Restriction of Excessive Authentication AttemptsBase
Data version
5.1
Document digest
ad81a8e43b5dd90f18363e47ec3af5cacdd685f327f65b20fff2bd4a3534b17d

05 Affected products

VendorProductVersionsPlatforms
DellCPG BIOS< 1.7.0—

06 References