CVE-2020-8555: medium-severity vulnerability in Kubernetes
Kubernetes kube-controller-manager SSRF
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 3.7%
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:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected products
Kubernetes · KubernetesRelated CVEs — Kubernetes
In the same product, most dangerous first.
CVE-2018-1002105CRITICALCVE-2018-1002105EPSS 87.0%CVE-2019-11248MEDIUMKubernetes kubelet exposes /debug/pprof info on healthz portEPSS 75.1%CVE-2019-11253HIGHKubernetes API Server JSON/YAML parsing vulnerable to resource exhaustion attackEPSS 25.9%CVE-2019-1002100MEDIUMCVE-2019-1002100EPSS 16.9%CVE-2017-1002101HIGHCVE-2017-1002101EPSS 13.3%CVE-2019-1002101MEDIUMkubectl cp path traversalEPSS 12.8%
References
https://github.com/kubernetes/kubernetes/issues/91542https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussionhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/https://security.netapp.com/advisory/ntap-20200724-0005/http://www.openwall.com/lists/oss-security/2020/06/01/4http://www.openwall.com/lists/oss-security/2021/05/04/8