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Servers and applications

CVE-2000-1139

The installation of Microsoft Exchange 2000 before Rev. A creates a user account with a known password, which could allow attackers to gain privileges, aka the "Exchange User Account" vulnerability.

Severity
High 7.5
Published
9 Jan 2001
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
5% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Hard-coded credentials (CWE-798)
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

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2000-1139
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2000-1139