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CVE-2019-9621

Synacor | Zimbra Collaboration Suite (ZCS)Added 2025-07-07Remediation Deadline 2025-07-28

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

Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the ProxyServlet component.

Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weakness Classification

CWE-918

CWE-807

References