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CVE-2010-1689

The DNS implementation in smtpsvc.dll before 6.0.2600.5949 in Microsoft Windows 2000 SP4 and earlier, Windows XP SP3 and earlier, Windows Server 2003 SP2 and earlier, Windows Server 2008 SP2 and earlier, Windows Server 2008 R2, Exchange Server 2003 SP3 and earlier, Exchange Server 2007 SP2 and earlier, and Exchange Server 2010 uses predictable transaction IDs that are formed by incrementing a…

Severity
Medium 6.4
Published
7 May 2010
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6.6% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-310
Attack
Over the network · No login needed
Attacker can
Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:P
Sources
NVD

Description

The DNS implementation in smtpsvc.dll before 6.0.2600.5949 in Microsoft Windows 2000 SP4 and earlier, Windows XP SP3 and earlier, Windows Server 2003 SP2 and earlier, Windows Server 2008 SP2 and earlier, Windows Server 2008 R2, Exchange Server 2003 SP3 and earlier, Exchange Server 2007 SP2 and earlier, and Exchange Server 2010 uses predictable transaction IDs that are formed by incrementing a previous ID by 1, which makes it easier for man-in-the-middle attackers to spoof DNS responses, a different vulnerability than CVE-2010-0024 and CVE-2010-0025.

From NVD.

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server
  • Version 2010
  • Version 2007-sp2
  • Version 2007-sp1
  • Version 2007
All 7 release lines
  • Version 2003
  • Version 2003-sp1
  • Version 2003-sp2
  • Version 2007
  • Version 2007-sp1
  • Version 2007-sp2
  • Version 2010

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-1689
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-1689