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5.0

CVE-2010-0025: Windows and Exchange servers can expose parts of email

CVE-2010-0025 · published 16 years ago
Summary

Several older versions of Windows and Exchange Server may mishandle memory when responding to email commands. An attacker can send malformed commands and then switch to encrypted mode to view small pieces of other users' email messages. Install the latest security updates from Microsoft for the listed operating systems and Exchange Server 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 windows_2000 All versions
cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:*
microsoft windows_xp All versions
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*
microsoft windows_2003_server All versions
cpe:2.3:o:microsoft:windows_2003_server:-:sp2:*:*:*:*:itanium:*
microsoft windows_server_2003 All versions
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
microsoft windows_server_2008 All versions
cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:*:*:x64:*
microsoft exchange_server 2000
2003
2007
2010
cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:*
Original advisory text
The SMTP component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Server 2008 Gold, SP2, and R2, and Exchange Server 2000 SP3, does not properly allocate memory for SMTP comman...
The SMTP component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Server 2008 Gold, SP2, and R2, and Exchange Server 2000 SP3, does not properly allocate memory for SMTP command replies, which allows remote attackers to read fragments of e-mail messages by sending a series of invalid commands and then sending a STARTTLS command, aka "SMTP Memory Allocation Vulnerability."
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.0 Medium
Exploitation
21% chance of attack within 30 days
Type
CWE-200Information Exposure
Timeline
Published14 Apr 2010
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2010-0025 · NVD
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