CVE-2020-8553: medium-severity vulnerability in Kubernetes ingress-nginx
Kubernetes ingress-nginx Compromise of auth via subset/superset namespace names
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.9epss 0.9%
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:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Affected products
Kubernetes · ingress-nginxRelated CVEs — Kubernetes ingress-nginx
In the same product, most dangerous first.
CVE-2023-5044HIGHCode injection via nginx.ingress.kubernetes.io/permanent-redirect annotationEPSS 53.7%CVE-2024-7646HIGHCVE-2024-7646EPSS 27.0%CVE-2026-3288HIGHingress-nginx rewrite-target nginx configuration injectionEPSS 7.0%CVE-2023-5043HIGHIngress nginx annotation injection causes arbitrary command executionEPSS 2.5%CVE-2022-4886HIGHIngress-nginx `path` sanitization can be bypassed with `log_format` directiveEPSS 1.7%CVE-2026-4342HIGHingress-nginx comment-based nginx configuration injectionEPSS 1.5%