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9.3

Exchange Server may run attacker code through crafted email

CVE-2009-0098 · published 17 years ago
Summary

Microsoft Exchange Server versions 2000 SP3, 2003 SP2, and 2007 SP1 can mis‑handle special email formatting (TNEF). An attacker who sends a specially crafted message could cause the server to execute code of their choice. Apply the latest security updates from Microsoft to fix the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft exchange_server 2000
2003
2007
cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:*
Original advisory text
Microsoft Exchange 2000 Server SP3, Exchange Server 2003 SP2, and Exchange Server 2007 SP1 do not properly interpret Transport Neutral Encapsulation (TNEF) properties, which allows remote attackers...
Microsoft Exchange 2000 Server SP3, Exchange Server 2003 SP2, and Exchange Server 2007 SP1 do not properly interpret Transport Neutral Encapsulation (TNEF) properties, which allows remote attackers to execute arbitrary code via a crafted TNEF message, aka "Memory Corruption Vulnerability."
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
9.3 Critical
Exploitation
25% chance of attack within 30 days
Type
CWE-399Resource Management Errors
Timeline
Published10 Feb 2009
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2009-0098 · NVD
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