CVE-2024-45519The 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 comma…
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It affects synacor zimbra_collaboration_suite. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Oct 3, 2024; federal agencies had to remediate by Oct 24, 2024. Treat that date as your deadline.
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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
- 10.0 CRITICAL (v3.1, CNA)CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Oct 3, 2024; federal remediation due Oct 24, 2024Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 99.91% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Feb 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
synacor zimbra_collaboration_suite synacor:zimbra_collaboration_suite | before 8.8.15; from 10.0.0 before 10.0.9; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; and 84 more ranges | NVD |
References
- https://wiki.zimbra.com/wiki/Security_Centerrelease-notes
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policynot-applicable
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1#Security_Fixesrelease-notes
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_Fixesrelease-notes
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P41#Security_Fixesrelease-notes
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46#Security_Fixesrelease-notes
- https://blog.projectdiscovery.io/zimbra-remote-code-execution/exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-45519us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.