6.7
MEDIUM
CVE-2021-4211
Lenovo SMBIOS Callback Function Arbitrary Code Execution Vulnerability
Description

A potential vulnerability in the SMI callback function used in the SMBIOS event log driver in some Lenovo Desktop, ThinkStation, and ThinkEdge models may allow an attacker with local access and elevated privileges to execute arbitrary code.

INFO

Published Date :

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

Last Modified :

May 11, 2022, 6:47 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2021-4211 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 thinkcentre_m710s_firmware
2 Lenovo thinkcentre_m710t_firmware
3 Lenovo thinkcentre_m710e_firmware
4 Lenovo thinkcentre_m710q_firmware
5 Lenovo thinkcentre_m800_firmware
6 Lenovo thinkcentre_m900_firmware
7 Lenovo thinkcentre_m910t_firmware
8 Lenovo thinkcentre_m910s_firmware
9 Lenovo thinkcentre_m910q_firmware
10 Lenovo thinkcentre_m910x_firmware
11 Lenovo thinkcentre_m810z_firmware
12 Lenovo thinkcentre_m820z_firmware
13 Lenovo thinkstation_p310_firmware
14 Lenovo thinkstation_p320_firmware
15 Lenovo thinkstation_p320_tiny_firmware
16 Lenovo v530s-07icb_firmware
17 Lenovo thinkcentre_m600_firmware
18 Lenovo a340-22icb_firmware
19 Lenovo a340-24icb_firmware
20 Lenovo ideacentre_5-14iob6_firmware
21 Lenovo ideacentre_creator_5-14iob6_firmware
22 Lenovo ideacentre_gaming_5-14iob6_firmware
23 Lenovo thinkcentre_m70a_firmware
24 Lenovo thinkcentre_m720e_firmware
25 Lenovo thinkcentre_m75n_firmware
26 Lenovo ideacentre_510s-07icb_firmware
27 Lenovo ideacentre_510s-07ick_firmware
28 Lenovo v30a-22iml_firmware
29 Lenovo v520_firmware
30 Lenovo v520s_firmware
31 Lenovo v530-15icr_firmware
32 Lenovo v530s-07icr_firmware
33 Lenovo thinkcentre_m700_tiny_firmware
34 Lenovo thinkcentre_m900x_firmware
35 Lenovo v410z_firmware
36 Lenovo v540-24iwl_firmware
37 Lenovo ideacentre_aio_3-22itl6_firmware
38 Lenovo ideacentre_aio_3-24itl6_firmware
39 Lenovo ideacentre_aio_3-27itl6_firmware
40 Lenovo v50t-13iob_g2_firmware
41 Lenovo v30a-24iml_firmware
42 Lenovo v530-15icb_firmware
43 Lenovo ideacentre_aio_3-22ada6_firmware
44 Lenovo ideacentre_aio_3-22iil5_firmware
45 Lenovo ideacentre_aio_3-24ada6_firmware
46 Lenovo ideacentre_aio_3-24iil5_firmware
47 Lenovo a540-27icb_firmware
48 Lenovo a540-24icb_firmware
49 Lenovo a340-22ick_firmware
50 Lenovo a340-24ick_firmware
51 Lenovo se30_firmware
52 Lenovo thinkcentre_m710q_\(10yc\)_firmware
53 Lenovo thinkcentre_m90a_\(gen_2\)_firmware
: Total Affected Vendor : 1 | Products : 53
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-2021-4211.

URL Resource
https://support.lenovo.com/us/en/product_security/LEN-77639 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-2021-4211 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-4211 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. 11, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    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-77639 No Types Assigned https://support.lenovo.com/us/en/product_security/LEN-77639 Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:a340-22icb_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:a340-22icb:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:a340-22ick_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:a340-22ick:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:a340-24icb_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:a340-24icb:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:a340-24ick_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:a340-24ick:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:a540-24icb_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:a540-24icb:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:a540-27icb_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:a540-27icb:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_5-14iob6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_5-14iob6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_510s-07icb_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_510s-07icb:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_510s-07ick_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_510s-07ick:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_aio_3-22ada6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_aio_3-22ada6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_aio_3-22iil5_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_aio_3-22iil5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_aio_3-22itl6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_aio_3-22itl6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_aio_3-24ada6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_aio_3-24ada6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_aio_3-24iil5_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_aio_3-24iil5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_aio_3-24itl6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_aio_3-24itl6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_aio_3-27itl6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_aio_3-27itl6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_creator_5-14iob6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_creator_5-14iob6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:ideacentre_gaming_5-14iob6_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:ideacentre_gaming_5-14iob6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:se30_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:se30:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m600_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m600:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m700_tiny_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m700_tiny:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m70a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m70a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m710e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m710e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m710q_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m710q:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m710q_\(10yc\)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m710q_\(10yc\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m710s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m710s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m710t_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m710t:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m720e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m720e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m75n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m75n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m800_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m810z_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m810z:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m820z_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m820z:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m900_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m900x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m900x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m90a_\(gen_2\)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m90a_\(gen_2\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m910q_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m910q:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m910s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m910s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m910t_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m910t:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m910x_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkcentre_m910x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkstation_p310_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkstation_p310:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkstation_p320_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkstation_p320:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkstation_p320_tiny_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkstation_p320_tiny:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v30a-22iml_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v30a-22iml:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v30a-24iml_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v30a-24iml:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v410z_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v410z:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v50t-13iob_g2_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v50t-13iob_g2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v520_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v520:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v520s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v520s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v530-15icb_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v530-15icb:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v530-15icr_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v530-15icr:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v530s-07icb_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v530s-07icb:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v530s-07icr_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v530s-07icr:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:v540-24iwl_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:v540-24iwl:-:*:*:*:*:*:*:*
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-2021-4211 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-2021-4211 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-23: File Content Injection File Content Injection CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-63: Cross-Site Scripting (XSS) Cross-Site Scripting (XSS) CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-73: User-Controlled Filename User-Controlled Filename CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-81: Web Server Logs Tampering Web Server Logs Tampering CAPEC-83: XPath Injection XPath Injection CAPEC-85: AJAX Footprinting AJAX Footprinting CAPEC-88: OS Command Injection OS Command Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-104: Cross Zone Scripting Cross Zone Scripting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-109: Object Relational Mapping Injection Object Relational Mapping Injection CAPEC-110: SQL Injection through SOAP Parameter Tampering SQL Injection through SOAP Parameter Tampering CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-136: LDAP Injection LDAP Injection CAPEC-153: Input Data Manipulation Input Data Manipulation CAPEC-182: Flash Injection Flash Injection CAPEC-209: XSS Using MIME Type Mismatch XSS Using MIME Type Mismatch CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-250: XML Injection XML Injection CAPEC-261: Fuzzing for garnering other adjacent user/sensitive data Fuzzing for garnering other adjacent user/sensitive data CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-473: Signature Spoof Signature Spoof CAPEC-588: DOM-Based XSS DOM-Based XSS CAPEC-664: Server Side Request Forgery Server Side Request Forgery
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
: