CVE-2020-8565
Last modified
CVE-2020-8565 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
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-alpha2.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes | >= 1.17.0, <= 1.17.13 |
| Kubernetes | Kubernetes | >= 1.18.0, <= 1.18.10 |
| Kubernetes | Kubernetes | >= 1.19.0, <= 1.19.3 |
References
- https://github.com/kubernetes/kubernetes/issues/95623Third Party Advisory
- https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJMailing List, Patch, Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/95623Third Party Advisory
- https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJMailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Related CVEs from 2020
- CVE-2020-8558The Kubelet and kube-proxy components in versions 1.1.0-1.16…8.8
- CVE-2020-8559The Kubernetes kube-apiserver in versions v1.6-v1.15, and ve…6.8
- CVE-2020-8561A security issue was discovered in Kubernetes where actors t…4.1
- CVE-2020-8562As mitigations to a report from 2019 and CVE-2020-8555, Kube…3.1
- CVE-2020-8563In Kubernetes clusters using VSphere as a cloud provider, wi…5.5
- CVE-2020-8564In Kubernetes clusters using a logging level of at least 4, …5.5
- CVE-2020-8566In Kubernetes clusters using Ceph RBD as a storage provision…5.5
- CVE-2020-8567Kubernetes Secrets Store CSI Driver Vault Plugin prior to v0…6.5
- CVE-2020-8568Kubernetes Secrets Store CSI Driver versions v0.0.15 and v0.…6.5
- CVE-2020-8569Kubernetes CSI snapshot-controller prior to v2.1.3 and v3.0.…6.5
- CVE-2020-8570Kubernetes Java client libraries in version 10.0.0 and versi…9.1
- CVE-2020-8571StorageGRID (formerly StorageGRID Webscale) versions 10.0.0 …7.5
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