// For flags

CVE-2023-3676

Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.

Se descubrió un problema de seguridad en Kubernetes donde un usuario que pueda crear pods en nodos de Windows puede escalar a privilegios de administrador en esos nodos. Los clústeres de Kubernetes solo se ven afectados si incluyen nodos de Windows.

A vulnerability was found in Kubernetes. This flaw allows a user who can create pods on Windows nodes to escalate to admin privileges on those nodes.

The components for Red Hat OpenShift for Windows Containers 9.0.0 are now available. This product release includes bug fixes and security updates for the following packages: windows-machine-config-operator and windows-machine-config-operator-bundle. Issues addressed include a privilege escalation vulnerability.

*Credits: Tomer Peled
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-07-14 CVE Reserved
  • 2023-08-29 CVE Published
  • 2025-02-27 CVE Updated
  • 2025-02-27 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-20: Improper Input Validation
  • CWE-269: Improper Privilege Management
CAPEC
  • CAPEC-233: Privilege Escalation
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
< 1.24.17
Search vendor "Kubernetes" for product "Kubernetes" and version " < 1.24.17"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
>= 1.25.0 < 1.25.13
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.25.0 < 1.25.13"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
>= 1.26.0 < 1.26.8
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.26.0 < 1.26.8"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
>= 1.27.0 < 1.27.5
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.27.0 < 1.27.5"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
>= 1.28.0 < 1.28.1
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.28.0 < 1.28.1"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe