CVE-2025-13281

Portworx Half-Blind SSRF in kube-controller-manager

CVSS 5.8 MEDIUMEPSS 0.4%CWE-918

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

14 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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).

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Affected products

Kubernetes · Kubernetes

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

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