SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-2497

The Common Language Runtime (CLR) in Microsoft .NET Framework 2.0, 2.0 SP1, 2.0 SP2, 3.5, and 3.5 SP1, and Silverlight 2, does not properly handle interfaces, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser…

HIGH 9.3EPSS 23.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 23.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

The Common Language Runtime (CLR) in Microsoft .NET Framework 2.0, 2.0 SP1, 2.0 SP2, 3.5, and 3.5 SP1, and Silverlight 2, does not properly handle interfaces, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP), (2) a crafted Silverlight application, (3) a crafted ASP.NET application, or (4) a crafted .NET Framework application, aka "Microsoft Silverlight and Microsoft .NET Framework CLR Vulnerability."

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
23.25% probability · 98th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
microsoft/windows 2000 · microsoft/.net framework · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows vista · microsoft/windows 7 · microsoft/windows xp
Source
secure@microsoft.com

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