SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2011-3417

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, when sliding expiry is enabled, does not properly handle cached content, which allows remote attackers to obtain access to…

HIGH 9.3EPSS 34.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 34.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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, when sliding expiry is enabled, does not properly handle cached content, which allows remote attackers to obtain access to arbitrary user accounts via a crafted URL, aka "ASP.NET Forms Authentication Ticket Caching Vulnerability."

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
34.31% probability · 98th percentile
CISA KEV
Not listed
Weakness
CWE-264
Affected
microsoft/windows 7 · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows vista · microsoft/windows xp
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.