// For flags

CVE-2021-25749

runAsNonRoot logic bypass for Windows containers

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.

A flaw was found in Kubernetes. This issue allows Windows workloads to run as a ContainerAdministrator even when the workloads set the runAsNonRoot option to true.

*Credits: Mark Rosetti (@marosset) of Microsoft
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-21 CVE Reserved
  • 2023-01-30 CVE Published
  • 2023-05-25 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
  • CWE-842: Placement of User into Incorrect Group
CAPEC
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"
>= 1.20.0 <= 1.21.0
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.20.0 <= 1.21.0"
-
Affected
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
>= 1.22.0 < 1.22.14
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.22.0 < 1.22.14"
-
Affected
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
>= 1.23.0 < 1.23.11
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.23.0 < 1.23.11"
-
Affected
Kubernetes
Search vendor "Kubernetes"
Kubernetes
Search vendor "Kubernetes" for product "Kubernetes"
>= 1.24.0 < 1.24.5
Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.24.0 < 1.24.5"
-
Affected