---
cve: "CVE-2017-6034"
severity: "CRITICAL"
cvss: 9.8
epss: "5.2%"
vendor: "Schneider Electric"
kev: false
exploited: false
published: "2017-06-30 03:29:00"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T09:50:10+02:00"
---

# CVE-2017-6034

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.

## CVSS-Vektor

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

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

## Referenzen

- <https://ics-cert.us-cert.gov/advisories/ICSA-17-101-01>
- <http://www.securityfocus.com/bid/97562>
- <https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2017/icsa-17-101-01.json>
- <https://www.se.com/us/en/download/document/SEVD-2017-065-01/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2017-6034) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_