Vulnerability Description
The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes | < 1.15.11 |
| Fedoraproject | Fedora | 32 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/06/01/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/04/8Mailing ListThird Party Advisory
- https://github.com/kubernetes/kubernetes/issues/91542Third Party Advisory
- https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discuMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20200724-0005/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/06/01/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/04/8Mailing ListThird Party Advisory
- https://github.com/kubernetes/kubernetes/issues/91542Third Party Advisory
- https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discuMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20200724-0005/Third Party Advisory
FAQ
What is CVE-2020-8555?
CVE-2020-8555 is a vulnerability with a CVSS score of 6.3 (MEDIUM). The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certa...
How severe is CVE-2020-8555?
CVE-2020-8555 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-8555?
Check the references section above for vendor advisories and patch information. Affected products include: Kubernetes Kubernetes, Fedoraproject Fedora.