Vulnerability Monitor

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CVE-2011-3416

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."

Published

2011-12-30T01:55:01.093

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 8.5 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

6.8

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System microsoft windows_7 - Yes
Operating System microsoft windows_7 - Yes
Operating System microsoft windows_7 - Yes
Operating System microsoft windows_server_2003 * Yes
Operating System microsoft windows_server_2008 * Yes
Operating System microsoft windows_server_2008 * Yes
Operating System microsoft windows_server_2008 - Yes
Operating System microsoft windows_server_2008 - Yes
Operating System microsoft windows_server_2008 r2 Yes
Operating System microsoft windows_vista * Yes
Operating System microsoft windows_vista - Yes
Operating System microsoft windows_xp * Yes
Operating System microsoft windows_xp sp3 Yes
References