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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-3955 |
A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes. Published: October 31, 2023; 5:15:08 PM -0400 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-3676 |
A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes. Published: October 31, 2023; 5:15:08 PM -0400 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-2728 |
Users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers. Published: July 03, 2023; 5:15:09 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-2727 |
Users may be able to launch containers using images that are restricted by ImagePolicyWebhook when using ephemeral containers. Kubernetes clusters are only affected if the ImagePolicyWebhook admission plugin is used together with ephemeral containers. Published: July 03, 2023; 5:15:09 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-2431 |
A security issue was discovered in Kubelet that allows pods to bypass the seccomp profile enforcement. Pods that use localhost type for seccomp profile but specify an empty profile field, are affected by this issue. In this scenario, this vulnerability allows the pod to run in unconfined (seccomp disabled) mode. This bug affects Kubelet. Published: June 16, 2023; 4:15:08 AM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0:(not available) |
CVE-2022-3294 |
Users may have access to secure endpoints in the control plane network. Kubernetes clusters are only affected if an untrusted user can modify Node objects and send proxy requests to them. Kubernetes supports node proxying, which allows clients of kube-apiserver to access endpoints of a Kubelet to establish connections to Pods, retrieve container logs, and more. While Kubernetes already validates the proxying address for Nodes, a bug in kube-apiserver made it possible to bypass this validation. Bypassing this validation could allow authenticated requests destined for Nodes to to the API server's private network. Published: March 01, 2023; 2:15:25 PM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2022-3162 |
Users authorized to list or watch one type of namespaced custom resource cluster-wide can read custom resources of a different type in the same API group without authorization. Clusters are impacted by this vulnerability if all of the following are true: 1. There are 2+ CustomResourceDefinitions sharing the same API group 2. Users have cluster-wide list or watch authorization on one of those custom resources. 3. The same users are not authorized to read another custom resource in the same API group. Published: March 01, 2023; 2:15:25 PM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2020-8562 |
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 Kubernetes does a DNS name resolution check and validates that response IPs are not in the link-local (169.254.0.0/16) or localhost (127.0.0.0/8) range. Kubernetes then performs a second DNS resolution without validation for the actual connection. If a non-standard DNS server returns different non-cached responses, a user may be able to bypass the proxy IP restriction and access private networks on the control plane. Published: February 01, 2022; 6:15:10 AM -0500 |
V4.0:(not available) V3.1: 3.1 LOW V2.0: 3.5 LOW |
CVE-2021-25743 |
kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events. Published: January 06, 2022; 7:15:07 PM -0500 |
V4.0:(not available) V3.1: 3.0 LOW V2.0: 2.1 LOW |
CVE-2021-25741 |
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem. Published: September 20, 2021; 1:15:08 PM -0400 |
V4.0:(not available) V3.1: 8.1 HIGH V2.0: 5.5 MEDIUM |
CVE-2021-25735 |
A security issue was discovered 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 of the Node object. Validating Admission Webhook does not observe some previous fields. Published: September 06, 2021; 8:15:07 AM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 5.5 MEDIUM |
CVE-2020-8554 |
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 should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect. Published: January 21, 2021; 12:15:13 PM -0500 |
V4.0:(not available) V3.1: 5.0 MEDIUM V2.0: 6.0 MEDIUM |
CVE-2020-8563 |
In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager's log. This affects < v1.19.3. Published: December 07, 2020; 5:15:21 PM -0500 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 2.1 LOW |
CVE-2020-8557 |
The Kubernetes kubelet component in versions 1.1-1.16.12, 1.17.0-1.17.8 and 1.18.0-1.18.5 do not account for disk usage by a pod which writes to its own /etc/hosts file. The /etc/hosts file mounted in a pod by kubelet is not included by the kubelet eviction manager when calculating ephemeral storage usage by a pod. If a pod writes a large amount of data to the /etc/hosts file, it could fill the storage space of the node and cause the node to fail. Published: July 23, 2020; 1:15:12 PM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 2.1 LOW |
CVE-2020-8555 |
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). Published: June 05, 2020; 1:15:11 PM -0400 |
V4.0:(not available) V3.1: 6.3 MEDIUM V2.0: 3.5 LOW |
CVE-2019-11254 |
The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML. Published: April 01, 2020; 5:15:13 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.0 MEDIUM |
CVE-2020-8552 |
The Kubernetes API server component in versions prior to 1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via successful API requests. Published: March 27, 2020; 11:15:12 AM -0400 |
V4.0:(not available) V3.1: 4.3 MEDIUM V2.0: 4.0 MEDIUM |
CVE-2019-11250 |
The Kubernetes client-go library logs request headers at verbosity levels of 7 or higher. This can disclose credentials to unauthorized users via logs or command output. Kubernetes components (such as kube-apiserver) prior to v1.16.0, which make use of basic or bearer token authentication, and run at high verbosity levels, are affected. Published: August 28, 2019; 9:15:11 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 3.5 LOW |
CVE-2019-11248 |
The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for limited denial of service. Versions prior to 1.15.0, 1.14.4, 1.13.8, and 1.12.10 are affected. The issue is of medium severity, but not exposed by the default configuration. Published: August 28, 2019; 9:15:11 PM -0400 |
V4.0:(not available) V3.1: 8.2 HIGH V2.0: 6.4 MEDIUM |
CVE-2019-9946 |
Cloud Native Computing Foundation (CNCF) CNI (Container Networking Interface) 0.7.4 has a network firewall misconfiguration which affects Kubernetes. The CNI 'portmap' plugin, used to setup HostPorts for CNI, inserts rules at the front of the iptables nat chains; which take precedence over the KUBE- SERVICES chain. Because of this, the HostPort/portmap rule could match incoming traffic even if there were better fitting, more specific service definition rules like NodePorts later in the chain. The issue is fixed in CNI 0.7.5 and Kubernetes 1.11.9, 1.12.7, 1.13.5, and 1.14.0. Published: April 02, 2019; 2:30:26 PM -0400 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |