Vulnerability in N/a
CVE-2019-9621
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.
EPSS: 0.941 (99.9th percentile) — read the EPSS interpretation.
Affected products
- N/a — versions n/a
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
- wiki.zimbra.com/wiki/Zimbra_Security_Advisories (x_refsource_CONFIRM)
- wiki.zimbra.com/wiki/Security_Center (x_refsource_MISC)
- bugzilla.zimbra.com/show_bug.cgi (x_refsource_MISC)
- www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce (x_refsource_MISC)
- packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-… (x_refsource_MISC)
- 46693 (exploit, x_refsource_EXPLOIT-DB)
- blog.zimbra.com/2019/03/9826/ (x_refsource_MISC)
- blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html (x_refsource_MISC)
- packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-F… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-9621?
- CVE-2019-9621 is a vulnerability in N/a. Published 2019-04-30.
- Is CVE-2019-9621 known to be exploited?
- Yes. CVE-2019-9621 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-07), indicating it is being actively exploited. 16 public proof-of-concept repositories are indexed.