CVE-2025-47284

Gardener vulnerable to metadata injection for a project secret that can lead to privilege escalation

State: Published
Severity: 9.9 Critical
Published: May 19, 2025
Updated: May 20, 2025
Reserved: May 5, 2025

Description

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in the `gardenlet` component of Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed. This CVE affects all Gardener installations where gardener/gardener-extension-provider-gcp is in use. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

Scores

CVSS	Score	Vector	Source
3.0	9.9 Critical	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences

Affected Products

Product	Versions
gardenergardener	< 1.116.4Affected >= 1.117.0, < 1.117.5Affected >= 1.118.0, < 1.118.2Affected

References

https://github.com/gardener/gardener/security/advisories/GHSA-9x73-87fh-54w9

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