5.7
MEDIUM
CVE-2021-36284
Dell BIOS Authentication Bypass Vulnerability
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.

INFO

Published Date :

Sept. 28, 2021, 8:15 p.m.

Last Modified :

Oct. 4, 2021, 2:25 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.7

Exploitability Score :

1.5
Affected Products

The following products are affected by CVE-2021-36284 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dell cpg_bios
2 Dell latitude_5310_2-in-1_firmware
3 Dell latitude_5320_firmware
4 Dell latitude_5400_firmware
5 Dell latitude_5411_firmware
6 Dell latitude_5500_firmware
7 Dell latitude_5511_firmware
8 Dell latitude_5520_firmware
9 Dell latitude_7212_rugged_extreme_tablet_firmware
10 Dell latitude_7280_firmware
11 Dell latitude_7480_firmware
12 Dell latitude_9410_firmware
13 Dell latitude_9510_firmware
14 Dell latitude_9520_firmware
15 Dell optiplex_3080_firmware
16 Dell precision_3640_tower_firmware
17 Dell latitude_7370_firmware
18 Dell latitude_7320_firmware
19 Dell latitude_7420_firmware
20 Dell optiplex_3280_aio_firmware
21 Dell optiplex_7480_aio_firmware
22 Dell precision_3551_ffirmware
: Total Affected Vendor : 1 | Products : 22
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-36284.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-36284 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-36284 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 04, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.dell.com/support/kbdoc/000191495 No Types Assigned https://www.dell.com/support/kbdoc/000191495 Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_5310_2-in-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.0 OR cpe:2.3:h:dell:latitude_5310_2-in-1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_5320_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.0 OR cpe:2.3:h:dell:latitude_5320:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_5400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.1 OR cpe:2.3:h:dell:latitude_5400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_5411_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.0 OR cpe:2.3:h:dell:latitude_5411:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_5500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.8.0 OR cpe:2.3:h:dell:latitude_5500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_5520_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.0 OR cpe:2.3:h:dell:latitude_5520:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_5511_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.1 OR cpe:2.3:h:dell:latitude_5511:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_7212_rugged_extreme_tablet_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.0 OR cpe:2.3:h:dell:latitude_7212_rugged_extreme_tablet:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_7280_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.1 OR cpe:2.3:h:dell:latitude_7280:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_7320_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.0 OR cpe:2.3:h:dell:latitude_7320:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_7370_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.1 OR cpe:2.3:h:dell:latitude_7370:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_7420_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.0 OR cpe:2.3:h:dell:latitude_7420:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_7480_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.1 OR cpe:2.3:h:dell:latitude_7480:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_9410_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.1 OR cpe:2.3:h:dell:latitude_9410:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_9510_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.0 OR cpe:2.3:h:dell:latitude_9510:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:latitude_9520_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.0 OR cpe:2.3:h:dell:latitude_9520:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:optiplex_3080_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.2 OR cpe:2.3:h:dell:optiplex_3080:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:optiplex_3280_aio_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0 OR cpe:2.3:h:dell:optiplex_3280_aio:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:optiplex_7480_aio_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0 OR cpe:2.3:h:dell:optiplex_7480_aio:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:precision_3551_ffirmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.2 OR cpe:2.3:h:dell:precision_3551:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dell:precision_3640_tower_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.1 OR cpe:2.3:h:dell:precision_3640_tower:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-36284 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-36284 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: