← Vulnerability feed

Vulnerability record · CVE-2001-0340 · published 21 July 2001

CVE-2001-0340: Microsoft exchange server unrestricted file upload vulnerability

Microsoft · Exchange Server

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.

7.5 CVSS 2.0 High EPSS 6.4% · top 6.6% CWE-434 · Unrestricted file upload
7.5CVSS 2.0 base score
6.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.ciac.org/ciac/bulletins/l-091.shtml Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-030 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6652 Third Party AdvisoryVDB Entry
http://www.ciac.org/ciac/bulletins/l-091.shtml Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-030 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6652 Third Party AdvisoryVDB Entry

Track CVE-2001-0340 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-21410Microsoft Exchange Server improper authentication privilege escalationCVE-2024-21410 is an improper authentication (CWE-287) elevation of privilege flaw in Microsoft Exchange Server. It is network-reachable with no priv…KEVEPSS 13%analysed9.1CVE-2021-34473Microsoft Exchange Server SSRF Enables Remote Code ExecutionCVE-2021-34473 is a critical server-side request forgery (SSRF) flaw in Microsoft Exchange Server that leads to remote code execution. It is part of …KEVEPSS 100%analysed9.1CVE-2021-26855Microsoft Exchange Server SSRF enabling remote code executionCVE-2021-26855 is a server-side request forgery (CWE-918) in Microsoft Exchange Server that is part of the ProxyLogon exploit chain and can lead to r…KEVEPSS 100%analysed9.0CVE-2021-34523Microsoft Exchange Server privilege escalation flawCVE-2021-34523 is a privilege escalation vulnerability in Microsoft Exchange Server. It is a component of the ProxyShell exploit chain, where it is u…KEVEPSS 100%analysed8.8CVE-2023-21529Microsoft Exchange Server deserialization flaw enables remote code executionCVE-2023-21529 is a deserialization of untrusted data vulnerability (CWE-502) in Microsoft Exchange Server that allows remote code execution. It carr…KEVEPSS 59%analysed8.8CVE-2022-41080Microsoft Exchange Server elevation of privilegeCVE-2022-41080 is an elevation of privilege vulnerability in Microsoft Exchange Server. A network-reachable attacker with low privileges can exploit …KEVEPSS 77%analysed8.8CVE-2022-41040Microsoft Exchange Server SSRF elevation of privilegeCVE-2022-41040 is a server-side request forgery (SSRF) flaw in Microsoft Exchange Server that allows an authenticated attacker to escalate privileges…KEVEPSS 100%analysed8.8CVE-2021-42321Microsoft Exchange Server remote code execution flawCVE-2021-42321 is a remote code execution vulnerability in Microsoft Exchange Server. It is remotely reachable over the network with low complexity, …KEVEPSS 92%analysed

Source: NIST National Vulnerability Database (record CVE-2001-0340), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.