CVE-2020-7796 — Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability
2026-02-17 • CISA Known Exploited Vulnerability
[event] Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery vulnerability if WebEx zimlet installed and zimlet JSP is enabled.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Synacor |
| Product | Zimbra Collaboration Suite |
| CWE | CWE-918 |
| CVE ID | CVE-2020-7796 |
| Date Added | 2026-02-17 |
| Due Date | 2026-03-10 |
| 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: 2026-03-10