---
cve: "CVE-2024-40457"
severity: "CRITICAL"
cvss: 9.1
epss: "0.6%"
vendor: "n/a"
kev: false
exploited: false
published: "2024-09-12 14:16:06"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-24T04:18:02+02:00"
---

# CVE-2024-40457

> 9.1 CRITICAL · 🧪 PoC

## Beschreibung

No-IP Dynamic Update Client (DUC) v3.x uses cleartext credentials that may occur on a command line or in a file. NOTE: the vendor's position is that cleartext in /etc/default/noip-duc is recommended and is the intentional behavior.

## CNA-Record (Kanon, cvelistV5)

- CNA: **mitre**
- State: PUBLISHED
- Stand: 2024-10-31 19:43:08

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-312** — Cleartext Storage of Sensitive Information
  The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.

## Angriffsmuster (CAPEC)

- [CAPEC-37 — Retrieve Embedded Sensitive Data](https://capec.mitre.org/data/definitions/37.html) _(Severity: Very High)_

## ATT&CK-Techniken

- [T1005 — Data from Local System](https://attack.mitre.org/techniques/T1005/)
- [T1552.004 — Unsecured Credentials: Private Keys](https://attack.mitre.org/techniques/T1552/004/)

## Referenzen

- <https://www.noip.com/support/knowledgebase/install-linux-3-x-dynamic-update-client-duc>
- <https://www.noip.com/support/knowledgebase/running-linux-duc-v3-0-startup-2>
- <https://github.com/jeppojeps/CVE-2024-40457-PoC>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2024-40457/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_