What’s Vulnerable › Vulnerabilities

CVE-2011-3415

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 23.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-12-30 · updated 2026-06-16
• Weakness: CWE-20

Description

Open redirect vulnerability in the Forms Authentication feature in the ASP.NET subsystem in Microsoft .NET Framework 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted return URL, aka "Insecure Redirect in .NET Form Authentication Vulnerability."

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: r2
• Microsoft Windows Vista: all versions
• Microsoft Windows XP Service Pack 3: sp3-unknown

References

• http://jvn.jp/en/jp/JVN71256611/index.html
• http://jvndb.jvn.jp/jvndb/JVNDB-2011-003557
• http://www.securityfocus.com/bid/51202
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-100
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14815
• http://jvn.jp/en/jp/JVN71256611/index.html
• http://jvndb.jvn.jp/jvndb/JVNDB-2011-003557
• http://www.securityfocus.com/bid/51202
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-100
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14815

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