Known Exploited Vulnerability: CVE-2019-9670

Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference

CVE detail
Catalog version: 2026.07.22 Date added: 2022-01-10 Due date: 2022-07-10 CISA catalog

Vendor: Synacor

Product: Zimbra Collaboration Suite (ZCS)

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2019-9670

CWEs

cvelogic Threat Intelligence