# CVE-2020-8554

## Summary

- **CVE ID:** CVE-2020-8554
- **Severity:** MEDIUM
- **CVSS Score:** 6.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
- **CWE:** CWE-283
- **Published:** Jan 21, 2021
- **Last Modified:** Jun 1, 2026

## Description

Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.

## Affected Products

- Kubernetes — Kubernetes (Kubernetes all versions)
- Kubernetes — Kubernetes (0)

## References

- [CNA](https://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8)
- [CNA](https://github.com/kubernetes/kubernetes/issues/97076)
- [CNA](https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3%40%3Ccommits.druid.apache.org%3E)
- [CNA](https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3E)
- [CNA](https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6%40%3Ccommits.druid.apache.org%3E)
- [CNA](https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942%40%3Ccommits.druid.apache.org%3E)
- [CNA](https://www.oracle.com//security-alerts/cpujul2021.html)
- [CNA](https://www.oracle.com/security-alerts/cpujan2022.html)
- [CNA](https://www.oracle.com/security-alerts/cpuapr2022.html)
- [CNA](https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 9.27%
- **EPSS Percentile:** 95.1

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._