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Medium 5.8
Portworx Half-Blind SSRF in kube-controller-manager
A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control pl…
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Medium 6.7
Nodes can delete themselves by adding an OwnerReference
A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource do…
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Medium 6.5
Kubernetes GitRepo Volume Inadvertent Local Repository Access
This CVE only affects Kubernetes clusters that utilize the in-tree gitRepo volume to clone git repositories from other pods within the same node. Since the in-tree gitRepo volume feature has been deprecated and will not receive security updates upstream, any …
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Medium 5.9
Kubernetes allows Command Injection affecting Windows nodes via nodes/*/logs/query API
This CVE affects only Windows worker nodes. Your worker node is vulnerable to this issue if it is running one of the affected versions listed below.
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Medium 6.2
Node Denial of Service via kubelet Checkpoint API
A security issue was discovered in Kubernetes where a large number of container checkpoint requests made to the unauthenticated kubelet read-only HTTP endpoint may cause a Node Denial of Service by filling the Node's disk.
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Medium 6.1
Incorrect permissions on Windows containers logs
A security issue was discovered in Kubernetes clusters with Windows nodes where BUILTIN\Users may be able to read container logs and NT AUTHORITY\Authenticated Users may be able to modify container logs.
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Medium 5.8
Windows kube-proxy LoadBalancer contention
Kube-proxy on Windows can unintentionally forward traffic to local processes listening on the same port (“spec.ports[*].port”) as a LoadBalancer Service when the LoadBalancer controller does not set the “status.loadBalancer.ingress[].ip” field. Clusters where…
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Medium 6.5CVE-2023-2728 Public exploit
Bypassing enforce mountable secrets policy imposed by the ServiceAccount admission plugin
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…
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Medium 6.5
Bypassing policies imposed by the ImagePolicyWebhook admission plugin
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.
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Medium 6.5
Unauthorized read of Custom Resources
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. T…
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Medium 6.6CVE-2022-3294 Public exploit
Node address isn't always verified when proxying
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-apiserv…
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Medium 4.1
Webhook redirect in kube-apiserver
A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user ca…
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Medium 6.5CVE-2021-25735 Public exploit
Validating Admission Webhook does not observe some previous fields
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 leas…
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Medium 6.3CVE-2020-8554 Public exploit
Kubernetes man in the middle using LoadBalancer or ExternalIPs
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 pri…
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Medium 4.7
Secret leaks in logs for vSphere Provider kube-controller-manager
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.
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Medium 4.7
Docker config secrets leaked when file is malformed and loglevel >= 4
In Kubernetes clusters using a logging level of at least 4, processing a malformed docker config file will result in the contents of the docker config file being leaked, which can include pull secrets or other registry credentials. This affects < v1.19.3, < v…
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Medium 4.7
Incomplete fix for CVE-2019-11250 allows for token leak in logs when logLevel >= 9
In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.3, <= v1.18.10, <= v1.17.13, < v1.20.0-al…
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Medium 4.7
Ceph RBD adminSecrets exposed in logs when loglevel >= 4
In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1…
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Medium 5.4CVE-2020-8558 Public exploit
Kubernetes node setting allows for neighboring hosts to bypass localhost boundary
The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network …
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Medium 5.5
Kubernetes node disk Denial of Service by writing to container /etc/hosts
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 m…
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Medium 6.4CVE-2020-8559 Public exploit
Privilege escalation from compromised node to cluster
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a ful…
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Medium 6.3
Kubernetes kube-controller-manager SSRF
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 in…
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Medium 4.3
Kubernetes kubelet denial of service
The Kubelet component in versions 1.15.0-1.15.9, 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 the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authe…
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Medium 4.8
kubectl cp allows symlink directory traversal
The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in th…
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Medium 4.7
Kubernetes client-go logs authorization headers at debug verbosity levels
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 …
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Medium 4.9
kubelet-started container uid changes to root after first restart or if image is already pulled to the node
In kubelet v1.13.6 and v1.14.2, containers for pods that do not specify an explicit runAsUser attempt to run as uid 0 (root) on container restart, or if the image was previously pulled to the node. If the pod specified mustRunAsNonRoot: true, the kubelet will…
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Medium 6.4
kubectl cp path traversal
The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes creates a tar inside the container, copies it over the network, and kubectl unpacks it on the user’s machine. If the tar binary in …
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Medium 6.5CVE-2019-1002100 EPSS 17%
Kubernetes DoS Vulnerability
In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type "json-patch" (e.g. `kubectl patch --type json` or `"Content-Type: appli…
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Medium 5.9
Kubernetes Arbitrary Command Injection
In Kubernetes versions 1.9.0-1.9.9, 1.10.0-1.10.5, and 1.11.0-1.11.1, user input was handled insecurely while setting up volume mounts on Windows nodes, which could lead to command line argument injection.
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Medium 4.2
Kubernetes arbitrary file overwrite
In Kubernetes versions 1.5.x, 1.6.x, 1.7.x, 1.8.x, and prior to version 1.9.6, the kubectl cp command insecurely handles tar data returned from the container, and can be caused to overwrite arbitrary local files.
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Medium 6.5
Directory Traversal in Kubernetes
Directory traversal vulnerability in Kubernetes, as used in Red Hat OpenShift Enterprise 3.0, allows attackers to write to arbitrary files via a crafted object type name, which is not properly handled before passing it to etcd.