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CVE-2020-7796 — Actively Exploited: Zimbra Collaboration Suite (Synacor)

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

CVE IDCVE-2020-7796
VendorSynacor
ProductZimbra Collaboration Suite
Vulnerability nameSynacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability
Date added2026-02-17
Remediation due2026-03-10
Known ransomware useUnknown
Required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
DescriptionSynacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery vulnerability if WebEx zimlet installed and zimlet JSP is enabled.
SourceCISA Known Exploited Vulnerabilities

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