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Servers and applications

CVE-2010-0024

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 2003 SP2, does not properly parse MX records, which allows remote DNS servers to cause a denial of service (service outage) via a crafted response to a DNS MX record query, aka "SMTP Server MX Record Vulnerability."

Severity
Medium 5.0
Published
14 Apr 2010
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
11% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server
  • Version 2000-sp3
  • Version 2003-sp2
  • Version 2007-sp1
  • Version 2007-sp2
  • Version 2010

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-0024
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-0024