CVE-2019-9621:Zimbra Collaboration Suite versions 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 are vulnerable to Server-Side Request Forgery (SSRF) via the ProxyServlet component.

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Description Preview

The vulnerability identified as CVE-2019-9621 affects multiple versions of the Zimbra Collaboration Suite. Specifically, it allows an attacker to exploit the ProxyServlet component to perform Server-Side Request Forgery (SSRF). This type of vulnerability can enable an attacker to send crafted requests from the server to internal or external resources, potentially leading to unauthorized access to sensitive data or services. The affected versions include those prior to 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.

Overview

CVE-2019-9621 is a security vulnerability in the Zimbra Collaboration Suite that allows for SSRF attacks through the ProxyServlet component. SSRF vulnerabilities can be particularly dangerous as they may allow attackers to interact with internal services that are not directly exposed to the internet, potentially leading to data leaks or further exploitation of the network. The vulnerability was publicly disclosed on March 13, 2019, and affects several versions of the software, necessitating prompt action from users to mitigate the risk.

Remediation

To remediate the vulnerability, users of the Zimbra Collaboration Suite should upgrade to the following patched versions:

  • Upgrade to Zimbra Collaboration Suite version 8.6 patch 13 or later.
  • Upgrade to Zimbra Collaboration Suite version 8.7.11 patch 10 or later.
  • Upgrade to Zimbra Collaboration Suite version 8.8.10 patch 7 or later, or version 8.8.11 patch 3 or later.

It is also recommended to review and apply any additional security best practices to minimize exposure to SSRF and other vulnerabilities.

References

  1. Zimbra Security Advisories
  2. Zimbra Security Center
  3. Zimbra Bugzilla Report
  4. Rapid7 Exploit Module
  5. Packet Storm Security - Zimbra SSRF
  6. Exploit-DB Entry
  7. Zimbra Blog Post on the Vulnerability
  8. Tint0 Blog Post on Zimbra Exploits
  9. Packet Storm Security - Zimbra XML Injection SSRF

Early Warning

Customers using Armis Early Warning were notified about this vulnerability before it appeared in CISA's Known Exploited Vulnerabilities Catalog, enabling them to assess their exposure and act proactively. Armis offers these examples of CVEs already included in CISA KEV for potential customers. Click here to learn how to receive alerts earlier.

Armis Alert Date
Apr 30, 2019
CISA KEV Date
Jul 7, 2025
2260days early

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Retail Trade: Low
    Retail Trade
  2. Accommodation & Food Services: Low
    Accommodation & Food Services
  3. Administrative, Support, Waste Management & Remediation Services: Low
    Administrative, Support, Waste Management & Remediation Services
  4. Agriculture, Forestry Fishing & Hunting: Low
    Agriculture, Forestry Fishing & Hunting
  5. Arts, Entertainment & Recreation: Low
    Arts, Entertainment & Recreation
  6. Construction: Low
    Construction
  7. Educational Services: Low
    Educational Services
  8. Finance and Insurance: Low
    Finance and Insurance
  9. Health Care & Social Assistance: Low
    Health Care & Social Assistance
  10. Information: Low
    Information
  11. Management of Companies & Enterprises: Low
    Management of Companies & Enterprises
  12. Manufacturing: Low
    Manufacturing
  13. Mining: Low
    Mining
  14. Other Services (except Public Administration): Low
    Other Services (except Public Administration)
  15. Professional, Scientific, & Technical Services: Low
    Professional, Scientific, & Technical Services
  16. Public Administration: Low
    Public Administration
  17. Real Estate Rental & Leasing: Low
    Real Estate Rental & Leasing
  18. Transportation & Warehousing: Low
    Transportation & Warehousing
  19. Utilities: Low
    Utilities
  20. Wholesale Trade: Low
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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