CVE-2020-7796: Synacor Zimbra Collaboration Suite
EPSS84.4%No. 563 of 1739 in KEV
CVE year2020~6 yrs before listing
Same vendor in KEV19
Same product1
| Field | Value |
|---|---|
| Vendor | Synacor |
| Product | Zimbra Collaboration Suite |
| Name | Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability |
| Added to KEV | 2026-02-17 |
| US federal due date | 2026-03-10 |
| Ransomware use | Unknown |
| CWE | CWE-918 |
CISA description
Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery vulnerability if WebEx zimlet installed and zimlet JSP is enabled.
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Synacor Zimbra Collaboration Suite vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-02-17.