---
cve: "CVE-2023-39213"
severity: "CRITICAL"
cvss: 9.6
epss: "1.5%"
vendor: "Zoom Video Communications, Inc."
kev: false
exploited: false
published: "2023-08-08 22:15:10"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-11-07T01:49:58+01:00"
---

# CVE-2023-39213

> 9.6 CRITICAL

## Beschreibung

Improper neutralization of special elements in Zoom Desktop Client for Windows and Zoom VDI Client before 5.15.2 may allow an unauthenticated user to enable an escalation of privilege via network access.

## CNA-Record (Kanon, cvelistV5)

- CNA: **Zoom**
- State: PUBLISHED
- Stand: 2024-10-10 16:19:52
- CNA-CVSS: **9.6** (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-176** — Improper Handling of Unicode Encoding
  The product does not properly handle when an input contains Unicode encoding.

## Angriffsmuster (CAPEC)

- [CAPEC-71 — Using Unicode Encoding to Bypass Validation Logic](https://capec.mitre.org/data/definitions/71.html) _(Severity: High)_

## Referenzen

- <https://explore.zoom.us/en/trust/security/security-bulletin/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2023-39213/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_