// For flags

CVE-2021-34513

Storage Spaces Controller Elevation of Privilege Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

Storage Spaces Controller Elevation of Privilege Vulnerability

Una vulnerabilidad de Elevación de Privilegios en Storage Spaces Controller. Este ID de CVE es diferente de CVE-2021-33751, CVE-2021-34460, CVE-2021-34510, CVE-2021-34512

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the storport.sys driver. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

*Credits: nghiadt12 from Viettel Cyber Security
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
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2021-06-09 CVE Reserved
  • 2021-07-14 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-11-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
 Windows 10
Search vendor "Microsoft" for product "Windows 10"
--
Affected
Microsoft
Search vendor "Microsoft"
 Windows 10
Search vendor "Microsoft" for product "Windows 10"
 20h2
Search vendor "Microsoft" for product "Windows 10" and version "20h2"
-
Affected
Microsoft
Search vendor "Microsoft"
 Windows 10
Search vendor "Microsoft" for product "Windows 10"
 21h1
Search vendor "Microsoft" for product "Windows 10" and version "21h1"
-
Affected
Microsoft
Search vendor "Microsoft"
 Windows 10
Search vendor "Microsoft" for product "Windows 10"
 1909
Search vendor "Microsoft" for product "Windows 10" and version "1909"
-
Affected
Microsoft
Search vendor "Microsoft"
 Windows 10
Search vendor "Microsoft" for product "Windows 10"
 2004
Search vendor "Microsoft" for product "Windows 10" and version "2004"
-
Affected
Microsoft
Search vendor "Microsoft"
 Windows Server 2016
Search vendor "Microsoft" for product "Windows Server 2016"
 20h2
Search vendor "Microsoft" for product "Windows Server 2016" and version "20h2"
-
Affected
Microsoft
Search vendor "Microsoft"
 Windows Server 2016
Search vendor "Microsoft" for product "Windows Server 2016"
 2004
Search vendor "Microsoft" for product "Windows Server 2016" and version "2004"
-
Affected