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Vulnerabilities

CVE-2017-6627

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability — A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated,
Published: Mar 3, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability — A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.

🤖 AI Executive Summary

Cisco IOS and IOS XE UDP packet processing vulnerability allows unauthenticated remote attackers to cause denial of service by triggering interface queue wedge. This critical vulnerability affects network infrastructure devices widely deployed in Saudi organizations.

📄 Description (Arabic)

تؤثر هذه الثغرة على معالجة حزم UDP في أنظمة Cisco IOS و IOS XE، حيث يمكن لمهاجم بعيد غير مصرح بالوصول إرسال حزم UDP معينة تسبب احتفاظ قائمة الانتظار بالحزم. يؤدي هذا إلى توقف واجهة الشبكة وفقدان الاتصال بالخدمات الحرجة.

🤖 ملخص تنفيذي (AI)

ثغرة في معالجة حزم UDP في أنظمة Cisco IOS و IOS XE تسمح للمهاجمين بدون مصادقة بإحداث حالة عدم توفر الخدمة. تؤثر هذه الثغرة الحرجة على أجهزة البنية التحتية للشبكات المنتشرة على نطاق واسع في المنظمات السعودية.

🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 02:25
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government banking energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately upgrade affected Cisco IOS and IOS XE devices to patched versions. Apply security patches from Cisco advisory. Implement network access controls and rate limiting for UDP traffic. Monitor interface queue status and implement traffic filtering at network perimeter.
🔧 خطوات المعالجة (العربية)
قم بترقية أجهزة Cisco المتأثرة فوراً إلى الإصدارات المصححة. طبق التحديثات الأمنية من مستشار Cisco. طبق ضوابط الوصول للشبكة وتحديد معدل حركة UDP. راقب حالة طابور الواجهة وطبق تصفية حركة المرور على محيط الشبكة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.1.1 A.2.1 A.3.1 A.4.1
🔵 SAMA CSF
ID.BE-5 PR.IP-1 PR.IP-12 DE.CM-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.14.2.5
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Cisco:IOS and IOS XE Software
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS10.83%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-03-24
Published 2022-03-03
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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