---
cve: "CVE-2020-8555"
severity: "MEDIUM"
cvss: 6.3
epss: "3.7%"
vendor: "Kubernetes"
kev: false
exploited: false
published: "2020-06-05 17:15:11"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T14:39:13+02:00"
---

# CVE-2020-8555

> 6.3 MEDIUM · 🧪 PoC

## Beschreibung

The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- c66062efc14df7c05eb6edef4799d004360c1d79 (Commit)
- 1e368b138190f5b294cea43ad7f151787cb9f085 (Commit)

## Referenzen

- <http://www.openwall.com/lists/oss-security/2020/06/01/4>
- <https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion>
- <https://github.com/kubernetes/kubernetes/issues/91542>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/>
- <https://security.netapp.com/advisory/ntap-20200724-0005/>
- <http://www.openwall.com/lists/oss-security/2021/05/04/8>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-8555) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_