---
cve: "CVE-2024-20254"
severity: "CRITICAL"
cvss: 9.6
epss: "0.8%"
vendor: "Cisco"
kev: false
exploited: false
published: "2024-02-07 17:15:10"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-23T17:32:44+02:00"
---

# CVE-2024-20254

> 9.6 CRITICAL

## Beschreibung

Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to conduct cross-site request forgery (CSRF) attacks that perform arbitrary actions on an affected device. 

 Note: "Cisco Expressway Series" refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices.

 For more information about these vulnerabilities, see the Details ["#details"] section of this advisory.

## CNA-Record (Kanon, cvelistV5)

- CNA: **cisco**
- State: PUBLISHED
- Stand: 2024-08-22 18:53:32
- 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 |

## BSI-Hinweise (deutsch)

- [Cisco Expressway: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2024-0321) — _BSI-Einstufung: hoch_
  Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Cisco Expressway ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, beliebigen Programmcode auszuführen oder einen Denial of Service Zustand herbeizuführen.

## Referenzen

- <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-csrf-KnnZDMj3>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2024-20254/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_