4.6
MEDIUM
CVE-2021-3718
"ThinkPad Enhanced Biometrics Denial of Service Vulnerability"
Description

A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.

INFO

Published Date :

Nov. 12, 2021, 10:15 p.m.

Last Modified :

Nov. 23, 2021, 2:50 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2021-3718 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 Lenovo thinkpad_l380_firmware
2 Lenovo thinkpad_p52_firmware
3 Lenovo thinkpad_p72_firmware
4 Lenovo thinkpad_x380_yoga_firmware
5 Lenovo thinkpad_t460_firmware
6 Lenovo thinkpad_x260_firmware
7 Lenovo thinkpad_e490s_firmware
8 Lenovo thinkpad_e490_firmware
9 Lenovo thinkpad_e590_firmware
10 Lenovo thinkpad_l380_yoga_firmware
11 Lenovo thinkpad_l390_yoga_firmware
12 Lenovo thinkpad_l490_firmware
13 Lenovo thinkpad_l590_firmware
14 Lenovo thinkpad_p53s_firmware
15 Lenovo thinkpad_t490_firmware
16 Lenovo thinkpad_t590_firmware
17 Lenovo thinkpad_x390_yoga_firmware
18 Lenovo thinkpad_l14_firmware
19 Lenovo thinkpad_l15_firmware
20 Lenovo thinkpad_p43s_firmware
21 Lenovo thinkpad_x12_detachable_gen_1_firmware
22 Lenovo thinkpad_s2_gen_6_firmware
23 Lenovo thinkpad_s2_yoga_gen_6_firmware
24 Lenovo thinkpad_s5_2nd_gen_firmware
25 Lenovo thinkpad_l390_firmware
26 Lenovo thinkpad_l13_gen_2_firmware
27 Lenovo thinkpad_l13_firmware
28 Lenovo thinkpad_l13_yoga_gen_2_firmware
29 Lenovo thinkpad_l13_yoga_firmware
30 Lenovo thinkpad_11e_3rd_gen_firmware
31 Lenovo thinkpad_13_gen_2_firmware
32 Lenovo thinkpad_11e_yoga_gen_6_firmware
33 Lenovo thinkpad_11e_4th_gen_i3_firmware
34 Lenovo thinkpad_11e_4th_gen_i7_firmware
35 Lenovo thinkpad_11e_4th_gen_i5_firmware
36 Lenovo thinkpad_11e_4th_gen_celeron_firmware
37 Lenovo thinkpad_l14_gen_1_firmware
38 Lenovo thinkpad_l15_gen_1_firmware
39 Lenovo thinkpad_11e_5th_gen_firmware
: Total Affected Vendor : 1 | Products : 39
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-2021-3718.

URL Resource
https://support.lenovo.com/us/en/product_security/LEN-72619 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-2021-3718 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3718 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]

    Nov. 23, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://support.lenovo.com/us/en/product_security/LEN-72619 No Types Assigned https://support.lenovo.com/us/en/product_security/LEN-72619 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_3rd_gen_firmware:*:*:*:*:braswell:*:*:* versions up to (including) 1.22 OR cpe:2.3:h:lenovo:thinkpad_11e_3rd_gen:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_3rd_gen_firmware:*:*:*:*:skylate:*:*:* versions up to (including) 1.29 OR cpe:2.3:h:lenovo:thinkpad_11e_3rd_gen:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_4th_gen_i3_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.22 OR cpe:2.3:h:lenovo:thinkpad_11e_4th_gen_i3:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_4th_gen_i7_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.22 OR cpe:2.3:h:lenovo:thinkpad_11e_4th_gen_i7:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_4th_gen_i5_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.22 OR cpe:2.3:h:lenovo:thinkpad_11e_4th_gen_i5:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_4th_gen_celeron_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.27 OR cpe:2.3:h:lenovo:thinkpad_11e_4th_gen_celeron:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_yoga_gen_6_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.12 OR cpe:2.3:h:lenovo:thinkpad_11e_yoga_gen_6:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_13_gen_2_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.29 OR cpe:2.3:h:lenovo:thinkpad_13_gen_2:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e490_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.30 OR cpe:2.3:h:lenovo:thinkpad_e490:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e490s_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.30 OR cpe:2.3:h:lenovo:thinkpad_e490s:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e590_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.30 OR cpe:2.3:h:lenovo:thinkpad_e590:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l13_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.31 OR cpe:2.3:h:lenovo:thinkpad_l13:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l13_gen_2_firmware:*:*:*:*:non-vpro:*:*:* versions up to (including) 1.11 OR cpe:2.3:h:lenovo:thinkpad_l13_gen_2:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l13_gen_2_firmware:*:*:*:*:vpro:*:*:* versions up to (including) 1.08 OR cpe:2.3:h:lenovo:thinkpad_l13_gen_2:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l13_yoga_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.31 OR cpe:2.3:h:lenovo:thinkpad_l13_yoga:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l13_yoga_gen_2_firmware:*:*:*:*:non-vpro:*:*:* versions up to (including) 1.11 OR cpe:2.3:h:lenovo:thinkpad_l13_yoga_gen_2:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l13_yoga_gen_2_firmware:*:*:*:*:vpro:*:*:* versions up to (including) 1.08 OR cpe:2.3:h:lenovo:thinkpad_l13_yoga_gen_2:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l14_gen_1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.15 OR cpe:2.3:h:lenovo:thinkpad_l14_gen_1:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l14_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.20.1.17 OR cpe:2.3:h:lenovo:thinkpad_l14:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l15_gen_1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.15 OR cpe:2.3:h:lenovo:thinkpad_l15_gen_1:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l15_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.20.1.17 OR cpe:2.3:h:lenovo:thinkpad_l15:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l380_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.26 OR cpe:2.3:h:lenovo:thinkpad_l380:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l380_yoga_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.26 OR cpe:2.3:h:lenovo:thinkpad_l380_yoga:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l390_yoga_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.35 OR cpe:2.3:h:lenovo:thinkpad_l390_yoga:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l390_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.35 OR cpe:2.3:h:lenovo:thinkpad_l390:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l490_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.26 OR cpe:2.3:h:lenovo:thinkpad_l490:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l590_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.26 OR cpe:2.3:h:lenovo:thinkpad_l590:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p43s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet96w OR cpe:2.3:h:lenovo:thinkpad_p43s:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p52_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2cet60w OR cpe:2.3:h:lenovo:thinkpad_p52:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p53s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet96w OR cpe:2.3:h:lenovo:thinkpad_p53s:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p72_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2cet60w OR cpe:2.3:h:lenovo:thinkpad_p72:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_s5_2nd_gen_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.28 OR cpe:2.3:h:lenovo:thinkpad_s5_2nd_gen:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t460_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.43.1.11 OR cpe:2.3:h:lenovo:thinkpad_t460:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t490_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet96w OR cpe:2.3:h:lenovo:thinkpad_t490:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t590_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet96w OR cpe:2.3:h:lenovo:thinkpad_t590:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_s2_gen_6_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-09-30 OR cpe:2.3:h:lenovo:thinkpad_s2_gen_6:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_s2_yoga_gen_6_firmware:*:*:*:*:*:*:*:* versions up to (including) 2021-09-30 OR cpe:2.3:h:lenovo:thinkpad_s2_yoga_gen_6:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x12_detachable_gen_1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.16 OR cpe:2.3:h:lenovo:thinkpad_x12_detachable_gen_1:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x260_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.47\/1.15 OR cpe:2.3:h:lenovo:thinkpad_x260:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x380_yoga_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.34 OR cpe:2.3:h:lenovo:thinkpad_x380_yoga:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x390_yoga_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2let87w OR cpe:2.3:h:lenovo:thinkpad_x390_yoga:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_5th_gen_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.13 OR cpe:2.3:h:lenovo:thinkpad_11e_5th_gen:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_11e_5th_gen_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.13 OR cpe:2.3:h:lenovo:thinkpad_yoga_370:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
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-2021-3718 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-2021-3718 weaknesses.

Exploit Prediction

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

0.06 }} 0.01%

score

0.25454

percentile

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