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

Added July 7, 2025 • Due July 28, 2025 • CVE-2019-9621

Overdue Synacor / Zimbra Collaboration Suite (ZCS) CWE-918 CWE-807

Description

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.

References

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
https://wiki.zimbra.com/wiki/Security_Center
https://nvd.nist.gov/vuln/detail/CVE-2019-9621

Additional Information

Catalog Version: 2025.07.07
Catalog Released: July 7, 2025
Days Until Due: 0 days
Last Updated: 2 months, 3 weeks ago