// For flags

CVE-2021-36955

Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

19%
*EPSS

Affected Versions

19
*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

Act
*SSVC
Descriptions

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Una Vulnerabilidad de Elevación de Privilegios de Windows Common Log File System Driver. Este CVE ID es diferente de CVE-2021-36963, CVE-2021-38633

Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

*Credits: N/A
CVSS Scores
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
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Act
Exploitation
Active
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2021-07-19 CVE Reserved
  • 2021-09-15 CVE Published
  • 2021-11-03 Exploited in Wild
  • 2021-11-17 KEV Due Date
  • 2022-07-18 First Exploit
  • 2025-02-04 CVE Updated
  • 2025-03-30 EPSS Updated
CWE
CAPEC
Affected Vendors, Products, and Versions (19)