---
cve: "CVE-2024-42009"
severity: "CRITICAL"
cvss: 9.3
epss: "79.6%"
vendor: "n/a"
kev: true
exploited: true
published: "2024-08-05 19:15:38"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T10:04:12+02:00"
---

# CVE-2024-42009

> 9.3 CRITICAL · ⚠️ CISA KEV (459 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a crafted e-mail message that abuses a Desanitization issue in message_body() in program/actions/mail/show.php.

## CVSS-Vektor

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

| 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 | Keine | good |

## Patch verfügbar (OSV)

- e03f018347818af7e1f70827fdc1b3cc6f98a88d (Commit)
- 0b8d59ba70c7f02e1dd74fa4fc2aee61581160f1 (Commit)

## Referenzen

- <https://github.com/roundcube/roundcubemail/releases>
- <https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.5.8>
- <https://github.com/roundcube/roundcubemail/releases/tag/1.6.8>
- <https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-42009>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-42009) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_