Synacor · Zimbra Collaboration Suite (ZCS)
CVE-2024-45519
Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability
CISA KEV record
- CISA date added
- 2024-10-03
- CISA due date
- 2024-10-24
- Known ransomware use
- Unknown
NVD risk context
9.8 CRITICAL
CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.
Description
Synacor Zimbra Collaboration Suite (ZCS) contains an unspecified vulnerability in the postjournal service that may allow an unauthenticated user to execute commands.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
NVD reference index
Vendor and remediation references
NVD has tagged these sources as vendor advisories, patches, mitigations, or release notes.
- https://wiki.zimbra.com/wiki/Security_Center ↗
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_Fixes ↗
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1#Security_Fixes ↗
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46#Security_Fixes ↗
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P41#Security_Fixes ↗
MITRE CWE context
CWE classification
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
View official MITRE CWE details ↗NVD record timing
NVD record timeline
These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.
- NVD published
- Oct 02, 2024, 10:15 PM UTC When NVD first published this CVE record.
- NVD last updated
- Jun 17, 2026, 07:54 AM UTC When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector
This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA notes
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://nvd.nist.gov/vuln/detail/CVE-2024-45519