---
cve: "CVE-2021-30713"
severity: "HIGH"
cvss: 7.8
epss: "7%"
vendor: "Apple"
kev: true
exploited: true
published: "2021-09-08 14:29:13"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-29T14:37:08+01:00"
---

# CVE-2021-30713

> 7.8 HIGH · ⚠️ CISA KEV (1821 Tage) · 🔓 Exploited

## Beschreibung

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4. A malicious application may be able to bypass Privacy preferences. Apple is aware of a report that this issue may have been actively exploited..

## CNA-Record (Kanon, cvelistV5)

- CNA: **apple**
- State: PUBLISHED
- Stand: 2025-10-21 23:25:34

## CISA-Anreicherung (vulnrichment/ADP)

- CISA KEV seit: **03.11.2021**
- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **active**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-862** — Missing Authorization
  The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

## Angriffsmuster (CAPEC)

- [CAPEC-665 — Exploitation of Thunderbolt Protection Flaws](https://capec.mitre.org/data/definitions/665.html) _(Severity: Very High)_

## ATT&CK-Techniken

- [T1211 — Exploitation for Defensive Evasion](https://attack.mitre.org/techniques/T1211/)
- [T1542.002 — Pre-OS Boot: Component Firmware](https://attack.mitre.org/techniques/T1542/002/)
- [T1556 — Modify Authentication Process](https://attack.mitre.org/techniques/T1556/)

## Referenzen

- <https://support.apple.com/en-us/HT212529>
- <https://support.apple.com/kb/HT212805>
- <http://seclists.org/fulldisclosure/2021/Sep/40>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2021-30713/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_