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Servers and applications

CVE-2005-1987

Buffer overflow in Collaboration Data Objects (CDO), as used in Microsoft Windows and Microsoft Exchange Server, allows remote attackers to execute arbitrary code when CDOSYS or CDOEX processes an e-mail message with a large header name, as demonstrated using the "Content-Type" string.

Severity
High 7.5
Published
13 Oct 2005
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
43% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Buffer overflow (CWE-120)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server
  • Version 2000-sp3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2005-1987
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2005-1987