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Vulnerabilities

CVE-2010-4344

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Exim Heap-Based Buffer Overflow Enabling Remote Code Execution via SMTP
Published: Mar 25, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Exim Heap-Based Buffer Overflow Vulnerability — Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session.

🤖 AI Executive Summary

Exim versions before 4.70 contain a heap-based buffer overflow in the string_vformat function that allows remote attackers to execute arbitrary code through SMTP sessions. This critical vulnerability affects mail servers worldwide and requires immediate patching.

📄 Description (Arabic)

تحتوي هذه الثغرة على تجاوز في المخزن المؤقت القائم على الكومة في دالة معالجة السلاسل النصية في Exim. يمكن للمهاجمين البعيدين استغلال هذه الثغرة من خلال جلسات SMTP لتنفيذ أكواد تعسفية بامتيازات خادم البريد.

🤖 ملخص تنفيذي (AI)

إصدارات Exim السابقة للإصدار 4.70 تحتوي على تجاوز في المخزن المؤقت القائم على الكومة في دالة string_vformat مما يسمح للمهاجمين البعيدين بتنفيذ أكواد تعسفية عبر جلسات SMTP. تؤثر هذه الثغرة الحرجة على خوادم البريد في جميع أنحاء العالم وتتطلب تصحيحًا فوريًا.

🤖 AI Intelligence Analysis Analyzed: Apr 30, 2026 16:54
🇸🇦 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)
Upgrade Exim to version 4.70 or later immediately. Apply security patches from official Exim repositories. Implement network segmentation to restrict SMTP access. Monitor mail server logs for exploitation attempts. Disable Exim if upgrade is not immediately possible.
🔧 خطوات المعالجة (العربية)
قم بترقية Exim إلى الإصدار 4.70 أو أحدث فوراً. طبق تصحيحات الأمان من مستودعات Exim الرسمية. قم بتنفيذ تقسيم الشبكة لتقييد وصول SMTP. راقب سجلات خادم البريد لمحاولات الاستغلال. عطل Exim إذا لم يكن الترقية ممكنة على الفور.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.1 A.2 A.3
🔵 SAMA CSF
ID.RA-1 PR.IP-1 PR.IP-12
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.14.2.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Exim:Exim
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS61.98%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-04-15
Published 2022-03-25
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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