What it is
CVE-2024-45519 is an unauthenticated vulnerability affecting Zimbra Zimbra Collaboration. 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...
Vulnerability report
Exploited in the wild
Confirmed confidence
In CISA KEV
CVE-2024-45519
Zimbra Collaboration
Zimbra / Zimbra Collaboration
- Severity
- CVSS 10.0 · Critical
- Confidence
- Confirmed
- Exploit status
- Exploited in the wild
- EPSS
- 99.9%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.
Who is affected?
Zimbra / Zimbra Collaboration.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
Zimbra Collaboration
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.
- Published
- 02 Oct 2024
- Exploitation Reported
- 03 Oct 2024
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- None
Tags
nuclei_scanner
cisa
nessus_scanner
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2024-45519
- wiki.zimbra.com/wiki/Security_Center wiki.zimbra.com · CVE Record https://wiki.zimbra.com/wiki/Security_Center
- wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy wiki.zimbra.com · CVE Record https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
- wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1 wiki.zimbra.com · CVE Record https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1#Security_Fixes
- wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9 wiki.zimbra.com · CVE Record https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_Fixes
- wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P41 wiki.zimbra.com · CVE Record https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P41#Security_Fixes
- wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46 wiki.zimbra.com · CVE Record https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46#Security_Fixes
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
CISA
Independent exploitation attestation added to the KEV Intelligence record.
Proof of concept available
GitHub
Public scanner or PoC coverage increases practical exploitability.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2024-10-03 00:00 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
Nuclei template detected 25 Apr 2025.
View Nuclei template (opens in new tab)Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2024/CVE-2024-45519.yaml | 25 Apr 2025 |
| Nessus | https://www.tenable.com/plugins/nessus/208035 | 02 Oct 2024 |
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
10.0
Critical
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N
EPSS
99.9%
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Zimbra Collaboration Suite < 9.0.0 - Remote Code Execution
nuclei · Created Unknown
Timeline
From disclosure to observed exploitation
-
Public PoC available
Public proof-of-concept code published
-
Nuclei template available
Scanner coverage available
-
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
Nessus plugin available
Scanner coverage available
-
CVE published
Vulnerability disclosed publicly
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2024-45519
Free JSON includes basic KEV fields{
"cve_id": "CVE-2024-45519",
"confidence": "Confirmed",
"cvss_score": 10.0,
"cvss_estimated": false,
"epss_score": 0.99907,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.