---
cve: "CVE-2022-42478"
severity: "HIGH"
cvss: 8.1
epss: "0.5%"
vendor: "Fortinet"
kev: false
exploited: false
published: "2023-06-13 09:15:15"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T09:38:10+02:00"
---

# CVE-2022-42478

> 8.1 HIGH

## Beschreibung

An Improper Restriction of Excessive Authentication Attempts [CWE-307] in FortiSIEM below 7.0.0 may allow a non-privileged user with access to several endpoints to brute force attack these endpoints.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:U/RC:C
```

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

## Schwachstellen-Klasse

- **CWE-307** — Improper Restriction of Excessive Authentication Attempts
  The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

## Angriffsmuster (CAPEC)

- [CAPEC-16 — Dictionary-based Password Attack](https://capec.mitre.org/data/definitions/16.html) _(Severity: High)_
- [CAPEC-49 — Password Brute Forcing](https://capec.mitre.org/data/definitions/49.html) _(Severity: High)_
- [CAPEC-560 — Use of Known Domain Credentials](https://capec.mitre.org/data/definitions/560.html) _(Severity: High)_
- [CAPEC-565 — Password Spraying](https://capec.mitre.org/data/definitions/565.html) _(Severity: High)_
- [CAPEC-600 — Credential Stuffing](https://capec.mitre.org/data/definitions/600.html) _(Severity: High)_
- [CAPEC-652 — Use of Known Kerberos Credentials](https://capec.mitre.org/data/definitions/652.html) _(Severity: High)_
- [CAPEC-653 — Use of Known Operating System Credentials](https://capec.mitre.org/data/definitions/653.html) _(Severity: High)_

## ATT&CK-Techniken

- [T1110.001 — Brute Force:Password Guessing](https://attack.mitre.org/techniques/T1110/001/)
- [T1078 — Valid Accounts](https://attack.mitre.org/techniques/T1078/)
- [T1110.003 — Brute Force:Password Spraying](https://attack.mitre.org/techniques/T1110/003/)
- [T1110.004 — Brute Force:Credential Stuffing](https://attack.mitre.org/techniques/T1110/004/)
- [T1558 — Steal or Forge Kerberos Tickets](https://attack.mitre.org/techniques/T1558/)

## Referenzen

- <https://fortiguard.com/psirt/FG-IR-22-258>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-42478) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_