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Vulnerabilities

CVE-2024-39891

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Twilio Authy Information Disclosure Vulnerability — Twilio Authy contains an information disclosure vulnerability in its API that allows an unauthenticated endpoint to accept a request containing a ph
Published: Jul 23, 2024  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Twilio Authy Information Disclosure Vulnerability — Twilio Authy contains an information disclosure vulnerability in its API that allows an unauthenticated endpoint to accept a request containing a phone number and respond with information about whether the phone number was registered with Authy.

🤖 AI Executive Summary

Twilio Authy API contains an unauthenticated endpoint that discloses whether a phone number is registered with Authy, enabling user enumeration attacks. This information disclosure vulnerability allows attackers to identify valid Authy users without authentication.

📄 Description (Arabic)

تحتوي واجهة برمجة تطبيقات Twilio Authy على نقطة نهاية غير محمية تقبل أرقام الهاتف وتكشف عما إذا كانت مسجلة في النظام. يمكن للمهاجمين استخدام هذه الثغرة لتعداد المستخدمين الصحيحين بشكل منهجي. هذا يسهل هجمات التصيد الاحتيالي والهندسة الاجتماعية الموجهة.

🤖 ملخص تنفيذي (AI)

تحتوي واجهة برمجة تطبيقات Twilio Authy على نقطة نهاية غير مصرحة تكشف ما إذا كان رقم الهاتف مسجلاً في Authy، مما يسمح بهجمات تعداد المستخدمين. تسمح هذه الثغرة بكشف المعلومات للمهاجمين بتحديد مستخدمي Authy الصحيحين دون مصادقة.

🤖 AI Intelligence Analysis Analyzed: Apr 19, 2026 21:50
🇸🇦 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 Twilio Authy SDK and libraries to the latest patched version immediately. Implement authentication requirements on all API endpoints. Monitor API logs for suspicious enumeration patterns. Consider implementing rate limiting on phone number lookup requests.
🔧 خطوات المعالجة (العربية)
قم بتحديث مكتبات Twilio Authy إلى أحدث إصدار مصحح فوراً. طبق متطلبات المصادقة على جميع نقاط نهاية API. راقب سجلات API للأنماط المريبة. فكر في تطبيق تحديد معدل الطلبات على طلبات البحث عن رقم الهاتف.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 6.1
🔵 SAMA CSF
AC-2 AC-3 SI-4
🟡 ISO 27001:2022
A.9.2.1 A.9.2.5 A.9.4.3
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Twilio:Authy
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS29.58%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2024-08-13
Published 2024-07-23
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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