# CVE-2025-13281: Portworx Half-Blind SSRF in kube-controller-manager

CVE-2025-13281 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2025-13281, released December 14, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-13281
- Priority: Routine
- CVSS: 5.8 (Moderate)
- EPSS: 0.0039
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 14, 2025
- Weakness: Server-Side Request Forgery (SSRF)
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-13281

## 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).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | govulncheck-vulndb opensuse-leap 15.6 | 0.0.20251230T014957-150000.1.134.1 | [SUSE-SU-2026:0037-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0037-1.md) | Jan 6, 2026 |
| Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | [OPENSUSE-SU-2026:21483-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21483-1.md) | Jul 30, 2026 |
| Linux | kubernetes Debian 12.15 (bookworm) | 1.20.5+really1.20.2-1 | [DEBIAN-CVE-2025-13281](https://patchblox.com/security/data/fix/linux/debian-cve-2025-13281.md) | Dec 14, 2025 |
| Linux | kubernetes Debian 13.5 (trixie) | 1.20.5+really1.20.2-1 | [DEBIAN-CVE-2025-13281](https://patchblox.com/security/data/fix/linux/debian-cve-2025-13281.md) | Dec 14, 2025 |
| Linux | kubernetes Debian 14 | 1.20.5+really1.20.2-1 | [DEBIAN-CVE-2025-13281](https://patchblox.com/security/data/fix/linux/debian-cve-2025-13281.md) | Dec 14, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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