---
cve: "CVE-2023-42793"
severity: "CRITICAL"
cvss: 9.8
epss: "100%"
vendor: "JetBrains"
kev: true
exploited: true
published: "2023-09-19 17:15:08"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T11:48:01+02:00"
---

# CVE-2023-42793

> 9.8 CRITICAL · ⚠️ CISA KEV (1072 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible

## CVSS-Vektor

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

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

## Exploit-Evidenz

- [EDB-51884 — JetBrains TeamCity 2023.05.3 - Remote Code Execution (RCE)](https://www.exploit-db.com/exploits/51884)

## Referenzen

- <https://www.jetbrains.com/privacy-security/issues-fixed/>
- <https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/>
- <http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html>
- <https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793>
- <https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/>
- <https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/>
- <https://www.sonarsource.com/blog/teamcity-vulnerability/>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-42793) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_