CVE DATABASE / CVE-2024-45519
CVE-2024-45519
Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability
CVSS 10 · CRITICAL
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2024-10-03.
Federal remediation due 2024-10-24.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Summary
The postjournal service in Zimbra Collaboration (ZCS) before 8.8.15 Patch 46, 9 before 9.0.0 Patch 41, 10 before 10.0.9, and 10.1 before 10.1.1 sometimes allows unauthenticated users to execute commands.
CVSS 3.1 breakdown
| Base score | 10 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Synacor zimbra collaboration suite
Check this CVE live
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References
- 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
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
- https://blog.projectdiscovery.io/zimbra-remote-code-execution/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-45519
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-04. Always verify against the vendor advisory before acting.