Externally Controlled Reference to a Resource in Another Sphere in Kubernetes - CVE-2021-25740

 

Externally Controlled Reference to a Resource in Another Sphere in Kubernetes - CVE-2021-25740

Published: February 5, 2024


Vulnerability identifier: #VU86073
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-25740
CWE-ID: CWE-610
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Kubernetes
Affected software:
Kubernetes

Detailed vulnerability description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote users can send network traffic to locations they would otherwise not have access to via a confused deputy attack.


How to mitigate CVE-2021-25740

Install updates from vendor's website.

Sources