CVE-2025-59823CWE-94code-injection

CVE-2025-59823

Critical · published September 25, 2025

CVSS v3.0
9.9
EPSS
1%
Percentile
43.9
In the wild
Unconfirmed
What it is

🚨 A crafty code injection vulnerability in Project Gardener could give an admin the keys to the kingdom!🗝️ With versions before 1.64.0 for AWS and 1.55.0 for Azure, your Kubernetes cluster might be in jeopardy! Imagine you’re at a VIP party where the bouncer mistakenly lets in someone without a proper pass. That person could wreak havoc, just like an admin with this vulnerability can gain control over crucial seed clusters! With this vulnerability, an attacker could potentially take over the seed cluster, allowing them to manipulate resources, disrupt services, or access sensitive data. This isn't just a petty inconvenience; it could lead to severe operational chaos and data breaches that could cost your organization dearly!

Put simply

Imagine you’re at a VIP party where the bouncer mistakenly lets in someone without a proper pass. That person could wreak havoc, just like an admin with this vulnerability can gain control over crucial seed clusters! This code injection vulnerability in Gardener Extensions allows an administrator with elevated privileges to execute arbitrary code, compromising the seed cluster management for Kubernetes deployments. Essentially, it could let unauthorized actions unfold under the guise of an admin account.

What to do

With this vulnerability, an attacker could potentially take over the seed cluster, allowing them to manipulate resources, disrupt services, or access sensitive data. This isn't just a petty inconvenience; it could lead to severe operational chaos and data breaches that could cost your organization dearly! Immediately upgrade your Gardener Extensions! Ensure you’re using version 1.64.0 or later for AWS, 1.55.0 for Azure, 1.49.0 for OpenStack, or 1.46.0 for GCP. After updating, review your security policies and role permissions for admin users to restrict elevated access as a precaution. You've got this! By following these steps, you’ll be well on your way to fortifying your Kubernetes environment! 🛡️

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
0.00529 · 43.9th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2025-09-25T19:16Z
References (5)
EPSS history
Timeline
  • 25 SEP 14:17Z
    Gardener providers vulnerable to code injection when Terraformer is used for infrastructure provisioning
    cvelistv5