// For flags

CVE-2021-25740

Holes in EndpointSlice Validation Enable Host Network Hijack

Severity Score

3.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.

Se ha detectado un problema de seguridad en Kubernetes que podría permitir a usuarios enviar tráfico de red a lugares a los que de otro modo no tendrían acceso por medio de un ataque de tipo confused deputy

*Credits: Rob Scott
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-21 CVE Reserved
  • 2021-09-20 CVE Published
  • 2023-08-07 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')
  • CWE-610: Externally Controlled Reference to a Resource in Another Sphere
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"
--
Affected