CVE-2020-7796β€”Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability

PUBLISHEDvulnerability record
2026-02-17 Β· last modified February 18, 2026

Metadata

CVE ID:
CVE-2020-7796
Project:
Synacor
Product:
Zimbra Collaboration Suite
Date Added:
2026-02-17
Due Date:
2026-03-10
Last Updated:
February 18, 2026

Vulnerability Name

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

Description

Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery vulnerability if WebEx zimlet installed and zimlet JSP is enabled.

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_Releases/8.8.15/P7
  • https://nvd.nist.gov/vuln/detail/CVE-2020-7796

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