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CVE-2018-2475

8.5 · HIGH

Following the Gardener architecture, the Kubernetes apiserver of a Gardener managed shoot cluster resides in the corresponding seed cluster.

Published Oct 9, 2018EPSS 1.35%

Overview

CVE-2018-2475 is a high-severity vulnerability. It was published on October 9, 2018 and has a CVSS 3.0 base score of 8.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Following the Gardener architecture, the Kubernetes apiserver of a Gardener managed shoot cluster resides in the corresponding seed cluster. Due to missing network isolation a shoot's apiserver can access services/endpoints in the private network of its corresponding seed cluster. Combined with other minor Kubernetes security issues, the missing network isolation theoretically can lead to compromise other shoot or seed clusters in the "Gardener" context. The issue is rated high due to the high impact of a potential exploitation in "Gardener" context. This was fixed in Gardener release 0.12.4.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/105579Refgroups.google.com/forum/#%21topic/gardener/OjfKEe1LwXoReflaunchpad.support.sap.com/#/notes/2699726Refwiki.scn.sap.com/wiki/pages/viewpage.action?pageId=500633095Refwww.securityfocus.com/bid/105579Refgroups.google.com/forum/#%21topic/gardener/OjfKEe1LwXoReflaunchpad.support.sap.com/#/notes/2699726Refwiki.scn.sap.com/wiki/pages/viewpage.action?pageId=500633095

How CyberStrike helps

Frequently asked questions

What is CVE-2018-2475?

CVE-2018-2475 is a high-severity vulnerability. It was published on October 9, 2018 and has a CVSS 3.0 base score of 8.5 (HIGH).

How severe is CVE-2018-2475?

This vulnerability has a CVSS 3.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-2475?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-2475?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-2475 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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