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Vulnerabilities

CVE-2019-9621

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability — Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the
Published: Jul 7, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability — Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the ProxyServlet component.

🤖 AI Executive Summary

Synacor Zimbra Collaboration Suite contains a critical SSRF vulnerability in ProxyServlet allowing attackers to make unauthorized requests from the server. This vulnerability enables access to internal resources and potential lateral movement within affected networks.

📄 Description (Arabic)

ثغرة SSRF في مكون ProxyServlet بحزمة Zimbra Collaboration Suite تسمح للمهاجمين بإرسال طلبات HTTP من خادم البريد الإلكتروني. يمكن استخدام هذه الثغرة للوصول إلى الموارد الداخلية والخدمات المحمية والبيانات الحساسة. تؤثر الثغرة على جميع إصدارات ZCS السابقة للإصدارات المصححة.

🤖 ملخص تنفيذي (AI)

حزمة Synacor Zimbra Collaboration Suite تحتوي على ثغرة SSRF حرجة في مكون ProxyServlet تسمح للمهاجمين بإرسال طلبات غير مصرح بها من الخادم. تمكن هذه الثغرة الوصول إلى الموارد الداخلية والحركة الجانبية المحتملة داخل الشبكات المتأثرة.

🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 07:58
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Update Zimbra Collaboration Suite to the latest patched version immediately. Implement network segmentation to restrict server outbound requests. Deploy Web Application Firewall (WAF) rules to monitor and block suspicious ProxyServlet requests. Restrict access to ProxyServlet endpoints to trusted networks only.
🔧 خطوات المعالجة (العربية)
قم بتحديث Zimbra Collaboration Suite إلى أحدث إصدار مصحح فوراً. طبق تقسيم الشبكة لتقييد الطلبات الصادرة من الخادم. نشر قواعد جدار حماية تطبيقات الويب لمراقبة وحظر طلبات ProxyServlet المريبة. قيد الوصول إلى نقاط نهاية ProxyServlet للشبكات الموثوقة فقط.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.7.1.1 A.7.1.2 A.12.6.1
🔵 SAMA CSF
ID.BE-5 PR.AC-3 PR.PT-3
🟡 ISO 27001:2022
A.6.1.1 A.13.1.1 A.14.1.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Synacor:Zimbra Collaboration Suite (ZCS)
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.11%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-07-28
Published 2025-07-07
Source Feed cisa_kev
Views 5
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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