CVE-2004-0840

critical Microsoft
CVSS v3 Base Score
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS Score
36.7%
Exploitation probability in 30 days
Top 3% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
C
Integrity
C
Availability
C
Published: November 3, 2004 (7862 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD

Description

The SMTP (Simple Mail Transfer Protocol) component of Microsoft Windows XP 64-bit Edition, Windows Server 2003, Windows Server 2003 64-bit Edition, and the Exchange Routing Engine component of Exchange Server 2003, allows remote attackers to execute arbitrary code via a malicious DNS response message containing length values that are not properly validated.

CWE

CWE-20

Affected Products

microsoft exchange servermicrosoft windows server 2003microsoft windows xp

References

🔗 www.kb.cert.org 🔗 www.securityfocus.com 🔗 docs.microsoft.com 🔗 exchange.xforce.ibmcloud.com 🔗 exchange.xforce.ibmcloud.com