UpHeron
All vulnerabilities

Servers and applications

CVE-2001-0340

An interaction between the Outlook Web Access (OWA) service in Microsoft Exchange 2000 Server and Internet Explorer allows attackers to execute malicious script code against a user's mailbox via a message attachment that contains HTML code, which is executed automatically.

Severity
High 7.5
Published
21 Jul 2001
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6.4% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Unrestricted file upload (CWE-434)
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 5.5
  • Version 2000

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2001-0340
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2001-0340