CVE-2019-9621β€”Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability

PUBLISHEDvulnerability record
2025-07-07 Β· last modified July 7, 2025

Metadata

CVE ID:
CVE-2019-9621
Project:
Synacor
Product:
Zimbra Collaboration Suite (ZCS)
Date Added:
2025-07-07
Due Date:
2025-07-28
Last Updated:
July 7, 2025

Vulnerability Name

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

Description

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

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

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.

Additional Notes

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

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