CVE-2020-8553 MEDIUM

CVE-2020-8553: Kubernetes ingress-nginx Compromise of auth via subset/superset namespace names

Vendor Kubernetes
Product ingress-nginx
Weakness CWE-73
Published July 29, 2020
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 29, 2020 CVE published
August 4, 2024 Record updated