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Vulnerabilities

CVE-2025-20333

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Critical Buffer Overflow in Cisco ASA and FTD VPN Web Server (CVE-2025-20333)
Published: Sep 25, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability — Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362.

🤖 AI Executive Summary

A critical buffer overflow vulnerability in Cisco Secure Firewall ASA and FTD VPN Web Server allows remote code execution without authentication. This vulnerability can be chained with CVE-2025-20362 to compromise firewall security infrastructure.

📄 Description (Arabic)

تحتوي برامج Cisco Secure Firewall ASA و FTD على ثغرة تجاوز مخزن مؤقت في خادم ويب VPN تسمح بتنفيذ أكواد بعيدة بدون مصادقة. يمكن دمج هذه الثغرة مع CVE-2025-20362 لتحقيق اختراق كامل لجدار الحماية.

🤖 ملخص تنفيذي (AI)

ثغرة حرجة في خادم ويب VPN لجدران حماية Cisco تسمح بتنفيذ أكواد بعيدة دون مصادقة. يمكن دمج هذه الثغرة مع CVE-2025-20362 للتأثير على البنية التحتية الأمنية لجدران الحماية.

🤖 AI Intelligence Analysis Analyzed: Apr 16, 2026 03:54
🇸🇦 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 apply Cisco security patches for ASA and FTD software. Disable VPN web server access if not required. Implement network segmentation to restrict access to firewall management interfaces. Monitor for exploitation attempts and review firewall logs for suspicious VPN web server activity.
🔧 خطوات المعالجة (العربية)
طبق فوراً تحديثات أمان Cisco لبرامج ASA و FTD. عطل الوصول إلى خادم ويب VPN إذا لم يكن مطلوباً. طبق تقسيم الشبكة لتقييد الوصول إلى واجهات إدارة جدار الحماية. راقب محاولات الاستغلال واستعرض سجلات جدار الحماية للنشاط المريب.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2.1 2.2 3.1 3.2
🔵 SAMA CSF
ID.RA-1 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:Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS18.66%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-09-26
Published 2025-09-25
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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