CVE-2020-8553
5.9 · MEDIUMOverview
CVE-2020-8553 is a medium-severity vulnerability affecting kubernetes ingress-nginx. It was published on July 29, 2020 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from kubernetes. Update ingress-nginx to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| kubernetes | ingress-nginx | >= 0, < 0.28.0 | Affected |
Frequently Asked Questions
What is CVE-2020-8553?
CVE-2020-8553 is a medium-severity vulnerability affecting kubernetes ingress-nginx. It was published on July 29, 2020 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2020-8553?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-8553?
Check the references section for vendor advisories and patches from kubernetes. Update ingress-nginx to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-8553?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-8553 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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