5.8
MEDIUM CVSS 3.1
CVE-2025-13281
Portworx Half-Blind SSRF in kube-controller-manager
Description

A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).

INFO

Published Date :

Dec. 14, 2025, 10:15 p.m.

Last Modified :

Dec. 15, 2025, 6:22 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-13281 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Kubernetes kubernetes
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM a6081bf6-c852-4425-ad4f-a67919267565
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM MITRE-CVE
Solution
Update kube-controller-manager to address SSRF in Portworx StorageClass integration.
  • Update kube-controller-manager to the latest version.
  • Disable in-tree Portworx StorageClass if possible.
  • Restrict access to control plane network endpoints.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-13281.

URL Resource
https://github.com/kubernetes/kubernetes/issues/135525
https://groups.google.com/g/kubernetes-security-announce/c/EORqZg0k1l4/m/TtD-q0v7AgAJ
http://www.openwall.com/lists/oss-security/2025/12/01/4
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-13281 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-13281 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-13281 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-13281 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Dec. 14, 2025

    Action Type Old Value New Value
    Added Description A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).
    Added CVSS V3.1 AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
    Added CWE CWE-918
    Added Reference https://github.com/kubernetes/kubernetes/issues/135525
    Added Reference https://groups.google.com/g/kubernetes-security-announce/c/EORqZg0k1l4/m/TtD-q0v7AgAJ
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Dec. 14, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/12/01/4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact