6.7
MEDIUM
CVE-2021-3719
Lenovo ThinkCentre/ThinkStation Execute Arbitrary Code Vulnerability
Description

A potential vulnerability in the SMI callback function that saves and restore boot script tables used for resuming from sleep state in some ThinkCentre and ThinkStation models may allow an attacker with local access and elevated privileges to execute arbitrary code.

INFO

Published Date :

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

Last Modified :

Nov. 19, 2021, 9:57 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2021-3719 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_m4500q_firmware
2 Lenovo thinkcentre_m73p_firmware
3 Lenovo thinkcentre_m800_firmware
4 Lenovo thinkcentre_m900_firmware
5 Lenovo thinkcentre_m93_firmware
6 Lenovo thinkcentre_m818z_firmware
7 Lenovo thinkstation_p300_firmware
8 Lenovo thinkstation_p500_firmware
9 Lenovo thinkstation_p700_firmware
10 Lenovo thinkstation_p900_firmware
11 Lenovo thinkcentre_e93_firmware
12 Lenovo thinkcentre_m600_firmware
13 Lenovo thinkcentre_m73_firmware
14 Lenovo thinkcentre_m83_firmware
15 Lenovo thinkcentre_m93p_firmware
16 Lenovo thinkcentre_m700_tiny_firmware
17 Lenovo thinkcentre_m900x_firmware
18 Lenovo thinkcentre_m6500t\/s_firmware
19 Lenovo thinkcentre_m8500t\/s_firmware
20 Lenovo thinkcentre_x1_firmware
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-2021-3719.

URL Resource
https://support.lenovo.com/us/en/product_security/LEN-67440 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-2021-3719 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3719 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. 19, 2021

    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-67440 No Types Assigned https://support.lenovo.com/us/en/product_security/LEN-67440 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_e93_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkcentre_e93:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m600_firmware:*:*:*:*:*:*:*:* versions up to (excluding) m00kt65a OR cpe:2.3:h:lenovo:thinkcentre_m600:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m700_tiny_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fwktb9a OR cpe:2.3:h:lenovo:thinkcentre_m700_tiny:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m73_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fhkt86a OR cpe:2.3:h:lenovo:thinkcentre_m73:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m73p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkcentre_m73p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fwktb9a OR cpe:2.3:h:lenovo:thinkcentre_m800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m818z_firmware:*:*:*:*:*:*:*:* versions up to (excluding) m1ekt23a OR cpe:2.3:h:lenovo:thinkcentre_m818z:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m83_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkcentre_m83:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fwktb9a OR cpe:2.3:h:lenovo:thinkcentre_m900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m900x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fwktb9a OR cpe:2.3:h:lenovo:thinkcentre_m900x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m93_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkcentre_m93:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m93p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkcentre_m93p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m4500q_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fhkt86a OR cpe:2.3:h:lenovo:thinkcentre_m4500q:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m6500t\/s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkcentre_m6500t\/s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_m8500t\/s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkcentre_m8500t\/s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkcentre_x1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) m0hkt50a OR cpe:2.3:h:lenovo:thinkcentre_x1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkstation_p300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fbktdfa OR cpe:2.3:h:lenovo:thinkstation_p300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkstation_p500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) a4ktaba OR cpe:2.3:h:lenovo:thinkstation_p500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkstation_p700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) a5ktaba OR cpe:2.3:h:lenovo:thinkstation_p700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkstation_p900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) a6ktaba OR cpe:2.3:h:lenovo:thinkstation_p900:-:*:*:*:*:*:*:*
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-2021-3719 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-2021-3719 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