CVE-2019-9621 — Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability
2025-07-07 • CISA Known Exploited Vulnerability
[event] Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the ProxyServlet component.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Synacor |
| Product | Zimbra Collaboration Suite (ZCS) |
| CWE | CWE-918, CWE-807 |
| CVE ID | CVE-2019-9621 |
| Date Added | 2025-07-07 |
| Due Date | 2025-07-28 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2025-07-28