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CVE-2018-2475

UnknownEPSS 1.35%

Last modified

CVE-2018-2475 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
GardenerGardener< 0.12.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-2475?
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.
How severe is CVE-2018-2475?
Severity scoring for CVE-2018-2475 is pending analysis. The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.
How do I fix CVE-2018-2475?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST