CVEvulnerability
CVE-2021-25746
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-05-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- CVSS 2.0 ([email protected])
- 5.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:N
- Weaknesses
- CWE-20
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.
Affected configurations
• kubernetes ingress-nginx (< 1.2.0)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://github.com/kubernetes/ingress-nginx/issues/8503 Issue Tracking, Mitigation, Third Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ Issue Tracking, Mitigation, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220609-0006/ Third Party Advisory
- https://github.com/kubernetes/ingress-nginx/issues/8503 Issue Tracking, Mitigation, Third Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ Issue Tracking, Mitigation, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220609-0006/ Third Party Advisory