CVE-2025-47283CWE-20

Bypassing project secret validation can lead to privilege escalation

Critical · published May 19, 2025

CVSS v3.0
9.9
EPSS
1%
Percentile
51.7
In the wild
Unconfirmed
What it is

🚨 A crafty admin could gain control over the entire seed cluster with this Gardener vulnerability! 🔥 Think of Gardener as a hotel managing multiple branches. Now imagine if a manager at one branch could sneak into the main office and access the entire hotel chain's records—definitely a recipe for chaos! An attacker with administrative access to a Gardener project could take over the seed clusters managing their shoot clusters. This access could lead to unauthorized control, allowing them to manipulate configurations, access sensitive data, or even disrupt services entirely.

Put simply

Think of Gardener as a hotel managing multiple branches. Now imagine if a manager at one branch could sneak into the main office and access the entire hotel chain's records—definitely a recipe for chaos! This vulnerability in Gardener affects the `gardener/gardener` component, allowing privileged users to escalate their access to the seed clusters, which manage multiple shoot clusters. This flaw exists in versions prior to 1.116.4, 1.117.5, 1.118.2, and 1.119.0.

What to do

An attacker with administrative access to a Gardener project could take over the seed clusters managing their shoot clusters. This access could lead to unauthorized control, allowing them to manipulate configurations, access sensitive data, or even disrupt services entirely. To mitigate this risk, upgrade Gardener to versions 1.116.4, 1.117.5, 1.118.2, or 1.119.0 without delay. Regularly audit permissions and account for any unauthorized access attempts to keep your clusters safe. You've got this! Just follow the steps to secure your clusters, and you'll strengthen your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.0
9.9 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00677 · 51.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2025-05-19T18:46Z
EPSS history
Timeline
  • 19 MAY 18:46Z
    Bypassing project secret validation can lead to privilege escalation
    cvelistv5