CVE-2019-9621

Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability

Details

CISA date: 2025-07-07
Affected versions: Zimbra Collaboration Suite (ZCS)
Summary: Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the ProxyServlet component.
Remediation: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Exploit info: No exploit-tagged NVD references in our cache; see the CISA KEV link below.

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Information is aggregated from multiple authoritative sources for convenience; verify with NVD and vendors before operational decisions.