---
cve: "CVE-2019-11255"
severity: "MEDIUM"
cvss: 4.8
epss: "2%"
vendor: "Kubernetes"
kev: false
exploited: false
published: "2019-12-05 16:15:10"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T06:08:41+02:00"
---

# CVE-2019-11255

> 4.8 MEDIUM · 🧪 PoC

## Beschreibung

Improper input validation in Kubernetes CSI sidecar containers for external-provisioner (<v0.4.3, <v1.0.2, v1.1, <v1.2.2, <v1.3.1), external-snapshotter (<v0.4.2, <v1.0.2, v1.1, <1.2.2), and external-resizer (v0.1, v0.2) could result in unauthorized PersistentVolume data access or volume mutation during snapshot, restore from snapshot, cloning and resizing operations.

## CVSS-Vektor

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

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

## Referenzen

- <https://github.com/kubernetes/kubernetes/issues/85233>
- <https://groups.google.com/forum/#%21topic/kubernetes-security-announce/aXiYN0q4uIw>
- <https://access.redhat.com/errata/RHSA-2019:4099>
- <https://access.redhat.com/errata/RHSA-2019:4096>
- <https://access.redhat.com/errata/RHSA-2019:4054>
- <https://access.redhat.com/errata/RHSA-2019:4225>
- <https://security.netapp.com/advisory/ntap-20200810-0003/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-11255) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_