ZC
Product
Zimbra Collaboration Suite (ZCS)
by Synacor · last CVE Aug 13, 2026
On CISA KEVExploited in the wildRansomware-linked
18
CVEs
17
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 5High 6Medium 7Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-45519
In wildKEV
9.8
100%
Oct 2
Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability
Affected: All versions, or not specified
CVE-2022-41352
RansomwareIn wildKEV
9.8
95%
Sep 26
Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability
Affected: All versions, or not specified
CVE-2022-37042
RansomwareIn wildKEV
9.8
92%
Aug 11
Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability
Affected: All versions, or not specified
CVE-2019-9670
In wildKEV
9.8
100%
May 29
Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference
Affected: All versions, or not specified
CVE-2023-34192
In wildKEV
9.0
77%
Jul 6
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
Affected: All versions, or not specified
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