CVE-2019-9621
high · 7.5Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Added 2025-07-07Remediation due 2025-07-28
A public exploit / detection template exists
Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →
Zimbra Collaboration Suite before 8.6 patch 13, 8.7.x before 8.7.11 patch 10, and 8.8.x before 8.8.10 patch 7 or 8.8.x before 8.8.11 patch 3 allows SSRF via the ProxyServlet component.
7.5
CVSS
81.0%
EPSS (exploit prob.)
100th
EPSS percentile
2019-04-30
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-918
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| synacor | zimbra_collaboration_suite | < 8.6.0 |
| synacor | zimbra_collaboration_suite | >= 8.7.0, < 8.7.11 |
| synacor | zimbra_collaboration_suite | >= 8.8.0, < 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.6.0 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.7.11 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.9 |
| synacor | zimbra_collaboration_suite | 8.8.10 |
| synacor | zimbra_collaboration_suite | 8.8.10 |
| synacor | zimbra_collaboration_suite | 8.8.10 |
Check a specific version with /api/v1/cve/match.
References
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
- http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
- https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html
- https://blog.zimbra.com/2019/03/9826/
- https://bugzilla.zimbra.com/show_bug.cgi?id=109127
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.exploit-db.com/exploits/46693/
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
- http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
- https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html
- https://blog.zimbra.com/2019/03/9826/
- https://bugzilla.zimbra.com/show_bug.cgi?id=109127
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.exploit-db.com/exploits/46693/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9621
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2019-9621