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Case File

CVE-2011-3416

HIGH · CVSS 8.5 EPSS 45.58%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-12-30 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.5. It affects Microsoft. Its EPSS score suggests a 45.6% probability of exploitation in the next 30 days. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2011-3416
Severity
HIGH
CVSS
8.5
EPSS
45.58%
Microsoft

Original NVD Description

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."