---
cve: "CVE-2023-22814"
severity: "CRITICAL"
cvss: 10.0
epss: "0.7%"
vendor: "Western Digital"
kev: false
exploited: false
published: "2023-07-01 00:15:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-11-11T03:41:00+01:00"
---

# CVE-2023-22814

> 10.0 CRITICAL

## Beschreibung

An authentication bypass issue via spoofing was discovered in the token-based authentication mechanism that could allow an attacker to carry out an impersonation attack.


This issue affects My Cloud OS 5 devices: before 5.26.202.

## CNA-Record (Kanon, cvelistV5)

- CNA: **WDC PSIRT**
- State: PUBLISHED
- Stand: 2024-11-26 16:09:14
- CNA-CVSS: **10.0** (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

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

## CVSS-Vektor

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

## Schwachstellen-Klasse

- **CWE-290** — Authentication Bypass by Spoofing
  This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

## Angriffsmuster (CAPEC)

- [CAPEC-21 — Exploitation of Trusted Identifiers](https://capec.mitre.org/data/definitions/21.html) _(Severity: High)_
- [CAPEC-22 — Exploiting Trust in Client](https://capec.mitre.org/data/definitions/22.html) _(Severity: High)_
- [CAPEC-59 — Session Credential Falsification through Prediction](https://capec.mitre.org/data/definitions/59.html) _(Severity: High)_
- [CAPEC-60 — Reusing Session IDs (aka Session Replay)](https://capec.mitre.org/data/definitions/60.html) _(Severity: High)_
- [CAPEC-459 — Creating a Rogue Certification Authority Certificate](https://capec.mitre.org/data/definitions/459.html) _(Severity: Very High)_
- [CAPEC-461 — Web Services API Signature Forgery Leveraging Hash Function Extension Weakness](https://capec.mitre.org/data/definitions/461.html) _(Severity: High)_
- [CAPEC-473 — Signature Spoof](https://capec.mitre.org/data/definitions/473.html)
- [CAPEC-476 — Signature Spoofing by Misrepresentation](https://capec.mitre.org/data/definitions/476.html) _(Severity: High)_

## ATT&CK-Techniken

- [T1134 — Access Token Manipulation](https://attack.mitre.org/techniques/T1134/)
- [T1528 — Steal Application Access Token](https://attack.mitre.org/techniques/T1528/)
- [T1539 — Steal Web Session Cookie](https://attack.mitre.org/techniques/T1539/)
- [T1134.001 — Access Token Manipulation:Token Impersonation/Theft](https://attack.mitre.org/techniques/T1134/001/)
- [T1550.004 — Use Alternate Authentication Material:Web Session Cookie](https://attack.mitre.org/techniques/T1550/004/)
- [T1036.001 — Masquerading: Invalid Code Signature](https://attack.mitre.org/techniques/T1036/001/)
- [T1553.002 — Subvert Trust Controls: Code Signing](https://attack.mitre.org/techniques/T1553/002/)

## Referenzen

- <https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2023-22814/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_