by Kastro
Paper/Archive/CVE-2025-47283

CVE-2025-47283

gardener gardener — Bypassing project secret validation can lead to privilege escalation

EPSS 0.7%CVSS 9.9
critical.is priorityof 100
40
CVSS 9.9 (CNA, NVD agree)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 52.3.523 × 2010.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 that 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 no matter of the public cloud provider(s) used for the seed clusters/shoot clusters. `gardener/gardener` (`gardenlet`) is the affected component. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

Affected

ProductAffectedFixed inSource
gardener< 1.116.4–CNA
gardener>= 1.117.0, < 1.117.5–CNA
gardener>= 1.118.0, < 1.118.2–CNA

Scores by source

GitHub_M (CNA)9.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/gardener/gardener/security/advisories/GHSA-3hw7-qj9h-r835refgithub.com/gardener/gardener/commit/924b1575aae052bcda5a51fac8594d38fa3c41b0refgithub.com/gardener/gardener/commit/b89cf2cd5067e82f364063d5241af73650a6e11drefgithub.com/gardener/gardener/commit/bbd19b1dd3a31843d7b820172d37f75298dfaf8brefgithub.com/gardener/gardener/commit/cf4e9887d83902216b85609caf563f7a9dd2de00