{"id":"CVE-2020-8553","aliases":[],"url":"https://o3.security/vulnerability/CVE-2020-8553","summary":"ingress-nginx component for Kubernetes allows file overwrite","details":"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.","published":"2022-05-24T17:24:40Z","modified":"2026-08-07T08:12:13.166392562Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"k8s.io/ingress-nginx","fixedVersion":"0.28.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8553"},{"type":"WEB","url":"https://github.com/kubernetes/ingress-nginx/issues/5126"},{"type":"PACKAGE","url":"https://github.com/kubernetes/ingress-nginx"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T08:12:13.166392562Z"}}