CVE-2010-2085 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can execute cross-site scripting attacks via the __VIEWSTATE parameter due to disabled view state MAC validation in default ASP.NET configurations.

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

What is CVE-2010-2085?

CVE-2010-2085 is a medium-severity cross-site scripting vulnerability in Microsoft .Net Framework, published on 27 May 2010. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The default configuration of ASP.NET in Microsoft .NET before 1.1 has a value of FALSE for the EnableViewStateMac property, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the __VIEWSTATE parameter.

Weakness: CWE-79

Which versions are affected by CVE-2010-2085?

It affects 1 product.

Products include Microsoft .Net Framework.

How do I fix CVE-2010-2085?

No fix has been published for CVE-2010-2085 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-2010-2085 being exploited?

There is no known exploitation of CVE-2010-2085 in the wild and no public exploit code.

All Microsoft .Net Framework vulnerabilities

Sources

Also known as GHSA-65mp-492r-j9q6.

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