CVE-2021-25746
Description
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.
CWE
- CWE-20 — CWE-20: Improper Input Validation
Affected
- Kubernetes / Kubernetes ingress-nginx — v=unspecified <1.2.0 [affected]
CVSS
- 3.1 score=7.6 severity=HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
References
- https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ x_refsource_MISC
- https://github.com/kubernetes/ingress-nginx/issues/8503 x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220609-0006/ x_refsource_CONFIRM
Source
cvelistV5-main/cves/2021/25xxx/CVE-2021-25746.json