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CVE-2021-25746

Ingress-nginx directive injection via annotations

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.2.0
None on Exploit-DB, Metasploit or GitHub

Summary

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use .metadata.annotations in an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Kubernetes Kubernetes ingress-nginx

    fixed in 1.2.0

References 3

groups.google.com

GitHub · kubernetes/ingress-nginx

security.netapp.com