// For flags

CVE-2011-3416

Microsoft ASP.NET Forms Authentication Bypass

Severity Score

8.5
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The Forms Authentication feature in the ASP.NET subsystem in Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 allows remote authenticated users to obtain access to arbitrary user accounts via a crafted username, aka "ASP.Net Forms Authentication Bypass Vulnerability."

La función de autenticación de formularios en el subsistema de ASP.NET de Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5 SP1, 3.5.1 y 4.0 permite a usuarios remotos autenticados obtener acceso a cuentas de usuario de su elección mediante un nombre de usuario hecha a mano, también conocido como "Formas de autenticación ASP.Net de Bypass de vulnerabilidad".

Microsoft ASP.NET Forms versions 4.0.30319.237 and below suffer from an authentication bypass vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2011-09-09 CVE Reserved
  • 2011-12-30 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-10-08 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-264: Permissions, Privileges, and Access Controls
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
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Windows 7
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--
Affected
Microsoft
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Windows 7
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-sp1, x64
Affected
Microsoft
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Windows 7
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-sp1, x86
Affected
Microsoft
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Windows Server 2003
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*sp2
Affected
Microsoft
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Windows Server 2008
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*r2, x64
Affected
Microsoft
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Windows Server 2008
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*sp2, itanium
Affected
Microsoft
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Windows Server 2008
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-sp2, x64
Affected
Microsoft
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Windows Server 2008
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-sp2, x86
Affected
Microsoft
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Windows Server 2008
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r2
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itanium
Affected
Microsoft
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Windows Vista
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*sp2
Affected
Microsoft
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Windows Vista
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-sp2
Affected
Microsoft
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Windows Xp
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*sp2, professional_x64
Affected
Microsoft
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Windows Xp
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sp3
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unknown, english
Affected