Vulnerability · Published May 19, 2025 · Assigned by GitHub_M

CVE-2025-47284Gardener vulnerable to metadata injection for a project secret that can lead to privilege escalation

Critical 9.9

In plain English

A critical-severity security flaw in gardener from gardener. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)9.9Critical

Exploit odds (30 days)0.5%top 59.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/gardener/gardener	1.116.4, 1.117.5, 1.118.2	GO-2025-3698
Go	github.com/gardener/gardener	1.116.4	GHSA-9x73-87fh-54w9
Go	github.com/gardener/gardener	1.117.5	GHSA-9x73-87fh-54w9
Go	github.com/gardener/gardener	1.118.2	GHSA-9x73-87fh-54w9

Affected products (as reported)

Vendor	Product	Versions
gardener	gardener	< 1.116.4>= 1.117.0, < 1.117.5>= 1.118.0, < 1.118.2

Weakness: CWE-150 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

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