AEGLIX vulnerability intelligence
CVE-2019-9621
HIGH · CVSS 7.5 · Analyzed
Published: 2019-04-30 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 7.5 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-918
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Synacor · Zimbra Collaboration Suite (ZCS)
- Added to catalog
- 2025-07-07
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2025-07-28
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
Before (exclusive): 8.6.0
cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
From (inclusive): 8.7.0
Before (exclusive): 8.7.11
cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
From (inclusive): 8.8.0
Before (exclusive): 8.8.9
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:-:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch1:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch10:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch11:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch12:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch2:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch3:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch4:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch5:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch6:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch7:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch8:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch9:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:-:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch1:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch10:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch2:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch3:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch4:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch5:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch6:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch7:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch8:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch9:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:-:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:p5:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch1:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch2:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch3:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch4:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch6:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch7:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch8:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch9:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:-:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch1:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch2:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch3:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch4:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch6:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch7:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:-:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:patch1:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:patch2:*:*:*:*:*:*
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:patch3:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
Exploit · Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html
Exploit · Third Party Advisory · VDB Entry
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
Exploit · Third Party Advisory
- https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html
Third Party Advisory
- https://blog.zimbra.com/2019/03/9826/
Vendor Advisory
- https://bugzilla.zimbra.com/show_bug.cgi?id=109127
Issue Tracking
- https://wiki.zimbra.com/wiki/Security_Center
Release Notes · Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Vendor Advisory
- https://www.exploit-db.com/exploits/46693/
Exploit · Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
Exploit · Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html
Exploit · Third Party Advisory · VDB Entry
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
Exploit · Third Party Advisory
- https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html
Third Party Advisory
- https://blog.zimbra.com/2019/03/9826/
Vendor Advisory
- https://bugzilla.zimbra.com/show_bug.cgi?id=109127
Issue Tracking
- https://wiki.zimbra.com/wiki/Security_Center
Release Notes · Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Vendor Advisory
- https://www.exploit-db.com/exploits/46693/
Exploit · Third Party Advisory · VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9621
US Government Resource