CVE-2020-8553
mediumpriority · track · 24EPSS 0.009 · 59 %ileEURUUSEPSS · scored 2026-10-27
The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-hhpm-74pm-hf35ingress-nginx component for Kubernetes allows file overwrite2022-05-24ghsa · osvUS
The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.
also known as (4)
Other names and identifiers for this entity.
sources
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references (10)
External citations — patches, advisories, analysis.
- https://github.com/kubernetes/ingress-nginx/issues/5126cnnvd
- https://kubernetes.github.io/ingress-nginx/deploy/upgrade/Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-8553cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.3343/cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-private-is-vulnerable-to-a-kubernetes-vulnerability-cve-2020-8553/cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-private-is-vulnerable-to-kubernetes-vulnerabilities/cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-in-kubernetes-affect-ibm-infosphere-information-server-2/cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerabilities-in-the-python-docker-and-icp-affect-ibm-spectrum-discover/cnnvd
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