CVE-2001-0340 Cross-site scripting in n/a

High 7.5 Published Updated

Attackers can execute malicious scripts in user mailboxes via HTML attachments in Outlook Web Access, potentially leading to account takeover.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2001-0340?

CVE-2001-0340 is a high-severity cross-site scripting vulnerability in Microsoft Exchange Server, published on 18 Sep 2001. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2001-0340?

It affects 1 product.

Products include Microsoft Exchange Server.

How do I fix CVE-2001-0340?

No fix has been published for CVE-2001-0340 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2001-0340 being exploited?

There is no known exploitation of CVE-2001-0340 in the wild and no public exploit code.

All Microsoft Exchange Server vulnerabilities

Sources

Also known as GHSA-mcfj-5726-cfww.

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