CVE-2021-36284

Name: CVE-2021-36284
Creator: NVD / NIST
Published: 2021-09-28T20:15:07.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2021-36284 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive admin password attempt mitigations in order to carry out a brute force attack.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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 password attempt mitigations in order to carry out a brute force attack.

Metrics

CVSS 3.1

4.4/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.22%

12.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-307

Affected Software

Vendor	Product	Versions
Dell	Latitude 5310 2-In-1 Firmware	< 1.7.0
Dell	Latitude 5320 Firmware	< 1.7.0
Dell	Latitude 5400 Firmware	< 1.7.1
Dell	Latitude 5411 Firmware	< 1.6.0
Dell	Latitude 5500 Firmware	< 1.8.0
Dell	Latitude 5520 Firmware	< 1.6.0
Dell	Latitude 5511 Firmware	< 1.7.1
Dell	Latitude 7212 Rugged Extreme Tablet Firmware	< 1.7.0
Dell	Latitude 7280 Firmware	< 1.9.1
Dell	Latitude 7320 Firmware	< 1.7.0
Dell	Latitude 7370 Firmware	< 1.7.1
Dell	Latitude 7420 Firmware	< 1.7.0
Dell	Latitude 7480 Firmware	< 1.7.1
Dell	Latitude 9410 Firmware	< 1.7.1
Dell	Latitude 9510 Firmware	< 1.7.0
Dell	Latitude 9520 Firmware	< 1.6.0
Dell	Optiplex 3080 Firmware	< 1.5.2
Dell	Optiplex 3280 Aio Firmware	< 1.2.0
Dell	Optiplex 7480 Aio Firmware	< 1.2.0
Dell	Precision 3551 Ffirmware	< 1.6.2
Dell	Precision 3640 Tower Firmware	< 1.7.1

References

https://www.dell.com/support/kbdoc/000191495Vendor Advisory
https://www.dell.com/support/kbdoc/000191495Vendor Advisory

Timeline

Published: Sep 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36284?

How severe is CVE-2021-36284?

CVE-2021-36284 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36284?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36284?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST