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Vulnerability record · CVE-2010-2085 · published 27 May 2010

CVE-2010-2085: Microsoft .net framework cross-site scripting vulnerability

Microsoft · .Net Framework

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.

4.3 CVSS 2.0 Medium EPSS 9.0% · top 4.9% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
9.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
16 Jun 2026Last modified by NVD

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.

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

Affected products

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

References

LinkTags
http://www.blackhat.com/presentations/bh-dc-10/Byrne_David/BlackHat-DC-2010-Byrne-SGUI-slides.pdf Exploit
https://www.trustwave.com/spiderlabs/advisories/TWSL2010-001.txt Exploit
http://www.blackhat.com/presentations/bh-dc-10/Byrne_David/BlackHat-DC-2010-Byrne-SGUI-slides.pdf Exploit
https://www.trustwave.com/spiderlabs/advisories/TWSL2010-001.txt Exploit

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2010-2085), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.