# CVE-2024-45519: Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability

- Exploited (CISA KEV): yes, added 2024-10-03
- Published: 2024-10-02
- CVSS: 10 CRITICAL (v3.1)
- EPSS: 99.9% (100th percentile)
- CWE: CWE-284

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2024-45519 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2024-45519