All vulnerabilities

Servers and applications

CVE-2002-1876

Microsoft Exchange 2000 allows remote authenticated attackers to cause a denial of service via a large number of rapid requests, which consumes all of the licenses that are granted to Exchange by IIS.

Severity
Low 2.1
Published
31 Dec 2002
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
4.7% in the next 30 daysHigher than 91% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Uncontrolled resource consumption (CWE-400)
Attack
Needs local access · No login needed
Attacker can
Slow it down
CVSS vector
AV:L/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
  • Version 2000-sp1
  • Version 2000-sp2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2002-1876
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2002-1876