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  5. CVE-2020-8555

CVE-2020-8555: Server-Side Request Forgery (SSRF)

June 5, 2020 (updated May 4, 2021)

The Kubernetes kube-controller-manager is vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to bytes of arbitrary information from unprotected endpoints within the master’s host network (such as link-local or loopback services).

References

  • nvd.nist.gov/vuln/detail/CVE-2020-8555

Code Behaviors & Features

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Affected versions

All versions before 1.15.11, all versions starting from 1.16.0 before 1.16.9, all versions starting from 1.17.0 before 1.17.5, version 1.18.0

Fixed versions

  • 1.15.11
  • 1.16.9
  • 1.17.5
  • 1.18.1

Solution

Upgrade to version 1.15.11, 1.16.9, 1.17.5, 1.18.1 or above.

Impact 6.3 MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-918: Server-Side Request Forgery (SSRF)

Source file

go/k8s.io/kubernetes/pkg/apis/apps/validation/CVE-2020-8555.yml

Spotted a mistake? Edit the file on GitLab.

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