CVE-2020-8554 vulnerabilities and exploits

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5

CVSSv3

Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and...

Kubernetes Kubernetes Oracle Communications Cloud Native Core Network Slice Selection Function 1.2.1 Oracle Communications Cloud Native Core Service Communication Proxy 1.14.0 Oracle Communications Cloud Native Core Policy 1.15.0

14 Github repositories1 Article

3.1

CVSSv3

As mitigations to a report from 2019 and CVE-2020-8555, Kubernetes attempts to prevent proxied connections from accessing link-local or localhost networks when making user-driven connections to Services, Pods, Nodes, or StorageClass service providers. As part of this mitigation K...

Kubernetes Kubernetes Kubernetes Kubernetes 1.21.0

4.8

CVSSv3

A security issue exists in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.

Kubernetes Kubernetes Kubernetes Kubernetes 1.21.0

6.5

CVSSv3

A security issue exists in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook. Clusters are only affected by this vulnerability if they run a Validating Admission Webhook for Nodes that denies admission based at least partially on the old state ...

Kubernetes Kubernetes

2 Github repositories

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