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Vulnerabilities

CVE-2023-44487

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
HTTP/2 Rapid Reset Attack Vulnerability — HTTP/2 contains a rapid reset vulnerability that allows for a distributed denial-of-service attack (DDoS).
Published: Oct 10, 2023  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

HTTP/2 Rapid Reset Attack Vulnerability — HTTP/2 contains a rapid reset vulnerability that allows for a distributed denial-of-service attack (DDoS).

🤖 AI Executive Summary

CVE-2023-44487 is an HTTP/2 vulnerability enabling rapid reset attacks that allow attackers to launch distributed denial-of-service attacks by sending numerous RST_STREAM frames. This critical flaw affects web servers and services using HTTP/2 protocol, potentially causing service disruption across internet-facing infrastructure.

📄 Description (Arabic)

ثغرة HTTP/2 Rapid Reset تسمح للمهاجمين بإرسال عدد كبير من إطارات RST_STREAM لتنفيذ هجمات حرمان من الخدمة موزعة. تؤثر هذه الثغرة الحرجة على خوادم الويب والخدمات التي تستخدم بروتوكول HTTP/2، مما قد يسبب انقطاع الخدمة عن البنية التحتية المتصلة بالإنترنت.

🤖 ملخص تنفيذي (AI)

This HTTP/2 vulnerability allows attackers to perform DDoS attacks by exploiting rapid reset functionality. Organizations using HTTP/2 must immediately patch their systems to prevent service disruption.

🤖 AI Intelligence Analysis Analyzed: Apr 19, 2026 15:23
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately update HTTP/2 implementations and web servers to patched versions. Implement rate limiting on RST_STREAM frames, deploy DDoS mitigation strategies, monitor for unusual reset patterns, and consider temporary HTTP/1.1 fallback if patches unavailable. Coordinate with ISPs for upstream filtering.
🔧 خطوات المعالجة (العربية)
قم بتحديث تطبيقات HTTP/2 وخوادم الويب فوراً. طبق تحديد معدل على إطارات RST_STREAM، ونشر استراتيجيات تخفيف هجمات DDoS، ومراقبة الأنماط غير العادية. تواصل مع مزودي الإنترنت لتصفية الحركة الضارة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.1.1 A.2.1 A.3.1 B.1.1 B.2.1
🔵 SAMA CSF
ID.BE-1 PR.DS-1 PR.PT-1 DE.CM-1 RS.MI-2
🟡 ISO 27001:2022
A.12.6.1 A.13.1.1 A.13.1.3 A.14.2.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
IETF:HTTP/2
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.40%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2023-10-31
Published 2023-10-10
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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