6.7
MEDIUM
CVE-2021-3972
Lenovo BIOS Secure Boot Firmware Modification Vulnerability
Description

A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.

INFO

Published Date :

April 22, 2022, 9:15 p.m.

Last Modified :

May 6, 2022, 8:49 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Public PoC/Exploit Available at Github

CVE-2021-3972 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-3972 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 ideapad_3-15ada05_firmware
2 Lenovo ideapad_3-14ada05_firmware
3 Lenovo ideapad_3-14ada6_firmware
4 Lenovo ideapad_3-14alc6_firmware
5 Lenovo ideapad_3-15ada6_firmware
6 Lenovo ideapad_3-15alc6_firmware
7 Lenovo ideapad_3-17alc6_firmware
8 Lenovo ideapad_3-17ada05_firmware
9 Lenovo ideapad_3-17ada6_firmware
10 Lenovo legion_s7-15ach6_firmware
11 Lenovo s145-14api_firmware
12 Lenovo s145-14ast_firmware
13 Lenovo s145-15api_firmware
14 Lenovo s145-15ast_firmware
15 Lenovo s540-13api_firmware
16 Lenovo v14-ada_firmware
17 Lenovo v15_g2-alc_firmware
18 Lenovo v15-ada_firmware
19 Lenovo yoga_slim_7_pro-14ach5_firmware
20 Lenovo yoga_slim_7_pro-14ach5_o_firmware
21 Lenovo yoga_slim_7_pro-14arh5_firmware
22 Lenovo l340-15irh_firmware
23 Lenovo l340-15iwl_firmware
24 Lenovo l340-17irh_firmware
25 Lenovo l340-17iwl_firmware
26 Lenovo l3_15iml05_firmware
27 Lenovo l340-15iwl_touch_firmware
28 Lenovo legion_y540-15irh_firmware
29 Lenovo legion_y540-17irh_firmware
30 Lenovo legion_y545_firmware
31 Lenovo s145-14igm_firmware
32 Lenovo s145-15igm_firmware
33 Lenovo yoga_c740-14iml_firmware
34 Lenovo yoga_c740-15iml_firmware
35 Lenovo legion_5_pro-16ach6_firmware
36 Lenovo legion_5_pro-16ach6h_firmware
37 Lenovo legion_5_pro-16ith6_firmware
38 Lenovo legion_5_pro-16ith6h_firmware
39 Lenovo legion_5-15ach6_firmware
40 Lenovo legion_5-15ach6a_firmware
41 Lenovo legion_5-15ach6h_firmware
42 Lenovo legion_5-15ith6_firmware
43 Lenovo legion_5-15ith6h_firmware
44 Lenovo legion_5-17ach6_firmware
45 Lenovo legion_5-17ach6h_firmware
46 Lenovo legion_5-17ith6_firmware
47 Lenovo legion_5-17ith6h_firmware
48 Lenovo legion_7-16achg6_firmware
49 Lenovo legion_7-16ithg6_firmware
50 Lenovo ideapad_3-15igl05_firmware
51 Lenovo ideapad_3-17iil05_firmware
52 Lenovo ideapad_3-17itl6_firmware
53 Lenovo l3-15itl6_firmware
54 Lenovo legion_5-15imh6_firmware
55 Lenovo s14_g2_itl_firmware
56 Lenovo slim_7_pro-14ihu5_firmware
57 Lenovo slim_9-14itl05_firmware
58 Lenovo v14_g1-iml_firmware
59 Lenovo v14_g2-itl_firmware
60 Lenovo v14-igl_firmware
61 Lenovo v15_g1-iml_firmware
62 Lenovo v15_g2-itl_firmware
63 Lenovo v15-igl_firmware
64 Lenovo v17_g2-itl_firmware
65 Lenovo v17-iil_firmware
66 Lenovo yoga_slim_7_pro-14ihu5_firmware
67 Lenovo yoga_slim_7_pro-14ihu5_o_firmware
68 Lenovo yoga_slim_7_pro-14itl5_firmware
69 Lenovo yoga_slim_9-14itl05_firmware
70 Lenovo ideapad_3-14igl05_firmware
71 Lenovo ideapad_3-14iil05_firmware
72 Lenovo ideapad_3-14iml05_firmware
73 Lenovo ideapad_3-14itl05_firmware
74 Lenovo ideapad_3-14itl6_firmware
75 Lenovo ideapad_3-15iil05_firmware
76 Lenovo ideapad_3-15iml05_firmware
77 Lenovo ideapad_3-15itl05_firmware
78 Lenovo ideapad_3-15itl6_firmware
79 Lenovo ideapad_3-17iml05_firmware
80 Lenovo ideapad_5-15iil05_firmware
81 Lenovo ideapad_creator_5-15imh05_firmware
82 Lenovo ideapad_gaming_3-15imh05_firmware
83 Lenovo ideapad_3-14are05_firmware
84 Lenovo ideapad_3-15are05_firmware
85 Lenovo ideapad_3-17are05_firmware
86 Lenovo legion_y540-15irh-pg0_firmware
87 Lenovo legion_y540-17irh-pg0_firmware
88 Lenovo legion_y545-pg0_firmware
89 Lenovo legion_y7000-2019_firmware
90 Lenovo legion_y7000-2019-pg0_firmware
91 Lenovo s145-14iil_firmware
92 Lenovo s145-15iil_firmware
93 Lenovo s540-13iml_firmware
94 Lenovo v14_g2-acl_firmware
95 Lenovo v14-are_firmware
96 Lenovo v14-iil_firmware
97 Lenovo v140-15iwl_firmware
98 Lenovo v15-iil_firmware
99 Lenovo v340-17iwl_firmware
100 Lenovo yoga_7-14acn6_firmware
101 Lenovo yoga_c940-14iil_firmware
102 Lenovo yoga_slim_7_pro-14ach5_d_firmware
103 Lenovo yoga_slim_7_pro-14ach5_od_firmware
104 Lenovo ideapad_5-15are05_firmware
105 Lenovo ideapad_gaming_3-15arh05_firmware
: Total Affected Vendor : 1 | Products : 105
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-2021-3972.

URL Resource
https://support.lenovo.com/us/en/product_security/LEN-73440 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).

Profile Photo
NaInSec/CVE-PoC-in-GitHub

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 2 months, 1 week ago
5 stars 2 fork 2 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.
Profile Photo
zecool/cve

None

Updated: 7 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
whoforget/CVE-POC

None

Updated: 1 year, 7 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 923 different CVEs too.
Profile Photo
k0mi-tg/CVE-POC

None

Updated: 8 months, 3 weeks ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.
Profile Photo
WhooAmii/POC_to_review

None

Updated: 8 months, 3 weeks ago
2 stars 2 fork 2 watcher
Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
killvxk/CVE-2021-3972

just poc

Updated: 2 years, 5 months ago
4 stars 1 fork 1 watcher
Born at : April 21, 2022, 10:25 a.m. This repo has been linked 1 different CVEs too.

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

The following list is the news that have been mention CVE-2021-3972 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3972 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]

    May. 06, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.lenovo.com/us/en/product_security/LEN-73440 No Types Assigned https://support.lenovo.com/us/en/product_security/LEN-73440 Vendor Advisory
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14ada05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) e8cn33ww OR cpe:2.3:h:lenovo:ideapad_3-14ada05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14ada6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hbcn21ww OR cpe:2.3:h:lenovo:ideapad_3-14ada6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14alc6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) glcn43ww OR cpe:2.3:h:lenovo:ideapad_3-14alc6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14are05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dzcn42ww OR cpe:2.3:h:lenovo:ideapad_3-14are05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15ada6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hbcn21ww OR cpe:2.3:h:lenovo:ideapad_3-15ada6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15alc6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) glcn43ww OR cpe:2.3:h:lenovo:ideapad_3-15alc6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15are05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dzcn42ww OR cpe:2.3:h:lenovo:ideapad_3-15are05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15igl05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dvcn23ww OR cpe:2.3:h:lenovo:ideapad_3-15igl05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-17ada05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) e8cn33ww OR cpe:2.3:h:lenovo:ideapad_3-17ada05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-17ada6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hbcn21ww OR cpe:2.3:h:lenovo:ideapad_3-17ada6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-17alc6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) glcn43ww OR cpe:2.3:h:lenovo:ideapad_3-17alc6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-17are05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dzcn42ww OR cpe:2.3:h:lenovo:ideapad_3-17are05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-17iil05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) emcn52ww OR cpe:2.3:h:lenovo:ideapad_3-17iil05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-17itl6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ggcn33ww OR cpe:2.3:h:lenovo:ideapad_3-17itl6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15ada05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) e8cn33ww OR cpe:2.3:h:lenovo:ideapad_3-15ada05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:l3_15iml05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ejcn27ww OR cpe:2.3:h:lenovo:l3_15iml05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:l3-15itl6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gfcn23ww OR cpe:2.3:h:lenovo:l3-15itl6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:l340-15irh_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bgcn35ww OR cpe:2.3:h:lenovo:l340-15irh:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:l340-15iwl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) atcn46ww OR cpe:2.3:h:lenovo:l340-15iwl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:l340-15iwl_touch_firmware:*:*:*:*:*:*:*:* versions up to (excluding) atcn46ww OR cpe:2.3:h:lenovo:l340-15iwl_touch:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:l340-17irh_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bgcn35ww OR cpe:2.3:h:lenovo:l340-17irh:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:l340-17iwl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) atcn46ww OR cpe:2.3:h:lenovo:l340-17iwl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5_pro-16ach6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hhcn25ww OR cpe:2.3:h:lenovo:legion_5_pro-16ach6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5_pro-16ach6h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gkcn51ww OR cpe:2.3:h:lenovo:legion_5_pro-16ach6h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5_pro-16ith6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) h1cn46ww OR cpe:2.3:h:lenovo:legion_5_pro-16ith6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5_pro-16ith6h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) h1cn46ww OR cpe:2.3:h:lenovo:legion_5_pro-16ith6h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-15ach6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hhcn25ww OR cpe:2.3:h:lenovo:legion_5-15ach6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-15ach6a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) g9cn28ww OR cpe:2.3:h:lenovo:legion_5-15ach6a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-15ach6h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gkcn51ww OR cpe:2.3:h:lenovo:legion_5-15ach6h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-15imh6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) g8cn19ww OR cpe:2.3:h:lenovo:legion_5-15imh6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-15ith6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) h1cn46ww OR cpe:2.3:h:lenovo:legion_5-15ith6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-15ith6h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) h1cn46ww OR cpe:2.3:h:lenovo:legion_5-15ith6h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-17ach6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hhcn25ww OR cpe:2.3:h:lenovo:legion_5-17ach6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-17ach6h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gkcn51ww OR cpe:2.3:h:lenovo:legion_5-17ach6h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-17ith6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) h1cn46ww OR cpe:2.3:h:lenovo:legion_5-17ith6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_5-17ith6h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) h1cn46ww OR cpe:2.3:h:lenovo:legion_5-17ith6h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_7-16achg6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gkcn51ww OR cpe:2.3:h:lenovo:legion_7-16achg6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_7-16ithg6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gkcn51ww OR cpe:2.3:h:lenovo:legion_7-16ithg6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_s7-15ach6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hacn35ww OR cpe:2.3:h:lenovo:legion_s7-15ach6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y540-15irh_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y540-15irh:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y540-15irh-pg0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y540-15irh-pg0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y540-17irh_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y540-17irh:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y540-17irh-pg0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y540-17irh-pg0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y545_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y545:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y545-pg0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y545-pg0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y7000-2019_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y7000-2019:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:legion_y7000-2019-pg0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bhcn44ww OR cpe:2.3:h:lenovo:legion_y7000-2019-pg0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s14_g2_itl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ggcn33ww OR cpe:2.3:h:lenovo:s14_g2_itl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-14api_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bucn31ww OR cpe:2.3:h:lenovo:s145-14api:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-14ast_firmware:*:*:*:*:*:*:*:* versions up to (excluding) aycn26ww OR cpe:2.3:h:lenovo:s145-14ast:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-14igm_firmware:*:*:*:*:*:*:*:* versions up to (excluding) awcn28ww OR cpe:2.3:h:lenovo:s145-14igm:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-14iil_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dkcn54ww OR cpe:2.3:h:lenovo:s145-14iil:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-15api_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bucn31ww OR cpe:2.3:h:lenovo:s145-15api:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-15ast_firmware:*:*:*:*:*:*:*:* versions up to (excluding) aycn26ww OR cpe:2.3:h:lenovo:s145-15ast:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-15igm_firmware:*:*:*:*:*:*:*:* versions up to (excluding) awcn28ww OR cpe:2.3:h:lenovo:s145-15igm:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s145-15iil_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dkcn54ww OR cpe:2.3:h:lenovo:s145-15iil:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s540-13api_firmware:*:*:*:*:*:*:*:* versions up to (excluding) cxcn34ww OR cpe:2.3:h:lenovo:s540-13api:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:s540-13iml_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:s540-13iml:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:slim_7_pro-14ihu5_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:slim_7_pro-14ihu5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:slim_9-14itl05_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:slim_9-14itl05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v14_g1-iml_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dxcn41ww OR cpe:2.3:h:lenovo:v14_g1-iml:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v14_g2-acl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) glcn43ww OR cpe:2.3:h:lenovo:v14_g2-acl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v14_g2-itl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ggcn33ww OR cpe:2.3:h:lenovo:v14_g2-itl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v14-ada_firmware:*:*:*:*:*:*:*:* versions up to (excluding) e8cn33ww OR cpe:2.3:h:lenovo:v14-ada:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v14-are_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dzcn42ww OR cpe:2.3:h:lenovo:v14-are:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v14-igl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dvcn23ww OR cpe:2.3:h:lenovo:v14-igl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v14-iil_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dkcn54ww OR cpe:2.3:h:lenovo:v14-iil:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v140-15iwl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) atcn46ww OR cpe:2.3:h:lenovo:v140-15iwl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v15_g1-iml_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dxcn41ww OR cpe:2.3:h:lenovo:v15_g1-iml:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v15_g2-alc_firmware:*:*:*:*:*:*:*:* versions up to (excluding) glcn43ww OR cpe:2.3:h:lenovo:v15_g2-alc:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v15_g2-itl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ggcn33ww OR cpe:2.3:h:lenovo:v15_g2-itl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v15-ada_firmware:*:*:*:*:*:*:*:* versions up to (excluding) e8cn33ww OR cpe:2.3:h:lenovo:v15-ada:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v15-igl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dvcn23ww OR cpe:2.3:h:lenovo:v15-igl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v15-iil_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dkcn54ww OR cpe:2.3:h:lenovo:v15-iil:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v17_g2-itl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ggcn33ww OR cpe:2.3:h:lenovo:v17_g2-itl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v17-iil_firmware:*:*:*:*:*:*:*:* versions up to (excluding) emcn52ww OR cpe:2.3:h:lenovo:v17-iil:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v340-17iwl_firmware:*:*:*:*:*:*:*:* versions up to (excluding) atcn46ww OR cpe:2.3:h:lenovo:v340-17iwl:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_7-14acn6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) h9cn26ww OR cpe:2.3:h:lenovo:yoga_7-14acn6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_c740-14iml_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bncn44ww OR cpe:2.3:h:lenovo:yoga_c740-14iml:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_c740-15iml_firmware:*:*:*:*:*:*:*:* versions up to (excluding) bncn44ww OR cpe:2.3:h:lenovo:yoga_c740-15iml:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_c940-14iil_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:yoga_c940-14iil:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14ach5_d_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hecn24ww OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14ach5_d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14ach5_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gzcn27ww OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14ach5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14ach5_o_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gzcn27ww OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14ach5_o:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14ach5_od_firmware:*:*:*:*:*:*:*:* versions up to (excluding) hecn24ww OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14ach5_od:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14arh5_firmware:*:*:*:*:*:*:*:* versions up to (excluding) g7cn21ww OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14arh5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14ihu5_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14ihu5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14ihu5_o_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14ihu5_o:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_7_pro-14itl5_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:yoga_slim_7_pro-14itl5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:yoga_slim_9-14itl05_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:yoga_slim_9-14itl05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14iil05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dvcn23ww OR cpe:2.3:h:lenovo:ideapad_3-14iil05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14igl05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) emcn52ww OR cpe:2.3:h:lenovo:ideapad_3-14igl05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14iml05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dxcn41ww OR cpe:2.3:h:lenovo:ideapad_3-14iml05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14itl05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gccn26ww OR cpe:2.3:h:lenovo:ideapad_3-14itl05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-14itl6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ggcn33ww OR cpe:2.3:h:lenovo:ideapad_3-14itl6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15iil05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) emcn52ww OR cpe:2.3:h:lenovo:ideapad_3-15iil05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15iml05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dxcn41ww OR cpe:2.3:h:lenovo:ideapad_3-15iml05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15itl05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) gccn26ww OR cpe:2.3:h:lenovo:ideapad_3-15itl05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-15itl6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) ggcn33ww OR cpe:2.3:h:lenovo:ideapad_3-15itl6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_3-17iml05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dxcn41ww OR cpe:2.3:h:lenovo:ideapad_3-17iml05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_5-15are05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) e7cn44ww OR cpe:2.3:h:lenovo:ideapad_5-15are05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_5-15iil05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) dpcn54ww OR cpe:2.3:h:lenovo:ideapad_5-15iil05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_creator_5-15imh05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) egcn36ww OR cpe:2.3:h:lenovo:ideapad_creator_5-15imh05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_gaming_3-15arh05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fccn17ww OR cpe:2.3:h:lenovo:ideapad_gaming_3-15arh05:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideapad_gaming_3-15imh05_firmware:*:*:*:*:*:*:*:* versions up to (excluding) egcn36ww OR cpe:2.3:h:lenovo:ideapad_gaming_3-15imh05:-:*:*:*:*:*:*:*
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-2021-3972 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-2021-3972 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

0.10742

percentile

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