CVE-2025-47282: Gardener External DNS Management allows malicious google credential in DNS secret to lead to privilege escalation

May 19, 2025

A security vulnerability was discovered in Gardener that could allow a user with administrative privileges for a Gardener project or a user with administrative privileges for a shoot cluster, including administrative privileges for a single namespace of the shoot cluster, to obtain control over the seed cluster where the shoot cluster is managed.

References

github.com/advisories/GHSA-xwgg-m7fx-83wx
github.com/gardener/external-dns-management
github.com/gardener/external-dns-management/security/advisories/GHSA-xwgg-m7fx-83wx
nvd.nist.gov/vuln/detail/CVE-2025-47282

Code Behaviors & Features

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