// For flags

CVE-2021-3969

 

Severity Score

7.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A Time of Check Time of Use (TOCTOU) vulnerability was reported in IMController, a software component of Lenovo System Interface Foundation, prior to version 1.1.20.3that could allow a local attacker to elevate privileges.

Se informó de una vulnerabilidad en el tiempo de comprobación del tiempo de uso (TOCTOU) en IMController, un componente de software de Lenovo System Interface Foundation, versiones anteriores a 1.1.20.3, que podría permitir a un atacante local elevar sus privilegios

*Credits: Lenovo thanks Rick Veldhoven from Fox-IT, part of NCC Group for reporting this issue.
CVSS Scores
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-17 CVE Reserved
  • 2022-05-18 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
https://support.lenovo.com/us/en/product_security/LEN-75210 2022-05-26
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Lenovo
Search vendor "Lenovo"
 System Interface Foundation
Search vendor "Lenovo" for product "System Interface Foundation"
 < 1.1.20.3
Search vendor "Lenovo" for product "System Interface Foundation" and version " < 1.1.20.3"
-
Affected