Microsoft Exchange 2000/5.5 Outlook Web Access cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Exchange 2000/5.5. Affected by this vulnerability is an unknown functionality of the component Outlook Web Access. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2001-0340. It is possible to launch the attack remotely. No exploit is available. This vulnerability has historical importance owing to its background and reception. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft Exchange 2000/5.5 (Groupware Software) and classified as critical. This vulnerability affects an unknown code block of the component Outlook Web Access. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published 07/21/2001 by Joao Gouveia with Microsoft as MS01-030 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability was named CVE-2001-0340. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/07/2025). This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. This vulnerability has a historic impact due to its background and reception.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 74150 (Microsoft Exchange OWA Arbitrary Script Execution Vulnerability (MS01-030)).

Applying the patch MS01-030 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (6652), SecurityFocus (BID 2832†) and Vulnerability Center (SBV-819†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-030

Timelineinfo

06/06/2001 🔍
07/21/2001 +45 days 🔍
07/21/2001 +0 days 🔍
07/21/2001 +0 days 🔍
02/05/2003 +564 days 🔍
07/07/2014 +4170 days 🔍
10/07/2025 +4110 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS01-030
Researcher: Joao Gouveia
Organization: Microsoft
Status: Confirmed

CVE: CVE-2001-0340 (🔍)
GCVE (CVE): GCVE-0-2001-0340
GCVE (VulDB): GCVE-100-17050
X-Force: 6652
SecurityFocus: 2832 - Microsoft Exchange OWA Embedded Script Execution Vulnerability
Vulnerability Center: 819 - [MS01-030] Microsoft Exchange OWA Embedded Script Execution Vulnerability, Medium

Entryinfo

Created: 07/07/2014 15:25
Updated: 10/07/2025 03:43
Changes: 07/07/2014 15:25 (61), 05/09/2019 00:19 (4), 10/07/2025 03:43 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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