Synacor · Zimbra Collaboration Suite (ZCS)
CVE-2022-37042
Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability
Was es ist
Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authentication (i.e., not having an authtoken), an attacker can upload arbitrary files to the system, leading to directory traversal and remote code execution. NOTE: this issue exists because of an incomplete fix for CVE-2022-27925.
CISA: Synacor Zimbra Collaboration Suite (ZCS) contains an authentication bypass vulnerability in MailboxImportServlet. This vulnerability was chained with CVE-2022-27925 which allows for unauthenticated remote code execution.
Was zu tun ist
Apply updates per vendor instructions.
Frist für US-Bundesbehörden: 1. September 2022
Weitere ausgenutzte Schwachstellen von Synacor
| Hinzugefügt | Schwachstelle | Produkt | Schweregrad | Angriffswahrscheinlichkeit |
|---|---|---|---|---|
| 21.08.2026 | OS Command Injection | Zimbra Collaboration Suite (ZCS) | Hoch 8,9 | 72% |
| 20.04.2026 | Cross-site Scripting | Zimbra Collaboration Suite (ZCS) | Mittel 6,1 | 1,7% |
| 18.03.2026 | Cross-Site Scripting | Zimbra Collaboration Suite (ZCS) | Hoch 7,2 | 20% |
| 07.10.2025 | Cross-site Scripting | Zimbra Collaboration Suite (ZCS) | Mittel 5,4 | 4,1% |
| 07.07.2025 | Server-Side Request Forgery (SSRF) | Zimbra Collaboration Suite (ZCS) | Hoch 7,5 | 81% |
| 19.05.2025 | Cross-Site Scripting (XSS) | Zimbra Collaboration Suite (ZCS) | Mittel 6,1 | 25% |
| 25.02.2025 | Cross-Site Scripting (XSS) | Zimbra Collaboration Suite (ZCS) | Kritisch 9,0 | 77% |
| 03.10.2024 | Command Execution | Zimbra Collaboration Suite (ZCS) | Kritisch 10,0 | 99,9% |
Quellen: Known Exploited Vulnerabilities (CISA, gemeinfrei), CVE records (cve.org) und EPSS (FIRST). Die Angriffswahrscheinlichkeit ist die EPSS-Schätzung, dass jemand in den nächsten 30 Tagen versucht, die Schwachstelle auszunutzen.