Vulnerability · Published Dec 14, 2025 · Assigned by kubernetes
CVE-2025-13281Portworx Half-Blind SSRF in kube-controller-manager
Medium 5.8
In plain English
A medium-severity server-side request forgery in Kubernetes from Kubernetes. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2025-13281 |
| Debian:13 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2025-13281 |
| Debian:14 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2025-13281 |
| Go | k8s.io/kubernetes | 1.32.10 | GHSA-r6j8-c6r2-37rr |
| Go | k8s.io/kubernetes | 1.32.10, 1.33.6, 1.34.2 | GO-2025-4240 |
| Go | k8s.io/kubernetes | 1.33.6 | GHSA-r6j8-c6r2-37rr |
| Go | k8s.io/kubernetes | 1.34.2 | GHSA-r6j8-c6r2-37rr |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes | v1.30.0 – through v1.30.14v1.31.0 – through v1.31.14v1.32.0 – through v1.32.9v1.33.0 – through v1.33.5v1.34.0 – through v1.34.1 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N