Portworx Half-Blind SSRF in kube-controller-manager

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-13281
StatePUBLISHED
Assignerkubernetes
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-14 22:15:36 UTC
Updated2026-10-14 13:10:00 UTC
DescriptionA 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).

Risk And Classification

Primary CVSS: v3.1 5.8 MEDIUM from [email protected]

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

Problem Types: CWE-918 | CWE-918 CWE-918 Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
3.1CNACVSS5.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kubernetes Kubernetes affected v1.30.0 v1.30.14 custom Not specified
CNA Kubernetes Kubernetes affected v1.31.0 v1.31.14 custom Not specified
CNA Kubernetes Kubernetes affected v1.32.0 v1.32.9 custom Not specified
CNA Kubernetes Kubernetes affected v1.33.0 v1.33.5 custom Not specified
CNA Kubernetes Kubernetes affected v1.34.0 v1.34.1 custom Not specified

References

ReferenceSourceLinkTags
github.com/kubernetes/kubernetes/issues/135525 [email protected] github.com
groups.google.com/g/kubernetes-security-announce/c/EORqZg0k1l4/m/TtD-q0v7AgAJ [email protected] groups.google.com
www.openwall.com/lists/oss-security/2025/12/01/4 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: To mitigate this vulnerability, upgrade Kubernetes or enable the CSIMigrationPortworx feature gate.

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