CVE-2025-47283
CVE-2025-47283 is a critical-severity vulnerability in Gardener with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Critical (CVSS 3.x base score 9.9)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-15799
- Weakness: CWE-20
- Affected product: Gardener
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2025-47283?
- 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.
- How severe is CVE-2025-47283?
- CVE-2025-47283 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-47283 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-47283?
- CVE-2025-47283 affects Gardener. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-47283?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-47283 have an EU (EUVD) identifier?
- Yes. CVE-2025-47283 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15799.
- When was CVE-2025-47283 published?
- CVE-2025-47283 was published on 2025-05-19 and last updated on 2026-06-17.
References
- https://github.com/gardener/gardener/commit/924b1575aae052bcda5a51fac8594d38fa3c41b0
- https://github.com/gardener/gardener/commit/b89cf2cd5067e82f364063d5241af73650a6e11d
- https://github.com/gardener/gardener/commit/bbd19b1dd3a31843d7b820172d37f75298dfaf8b
- https://github.com/gardener/gardener/commit/cf4e9887d83902216b85609caf563f7a9dd2de00
- https://github.com/gardener/gardener/security/advisories/GHSA-3hw7-qj9h-r835
Affected products (1)
- cpe:2.3:a:gardener:gardener:*:*:*:*:*:*:*:*
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