SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-2509

Active Directory Federation Services (ADFS) in Microsoft Windows Server 2003 SP2 and Server 2008 Gold and SP2 does not properly validate headers in HTTP requests, which allows remote authenticated users to execute arbitrary code via a crafted request to…

HIGH 9.0EPSS 17.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Active Directory Federation Services (ADFS) in Microsoft Windows Server 2003 SP2 and Server 2008 Gold and SP2 does not properly validate headers in HTTP requests, which allows remote authenticated users to execute arbitrary code via a crafted request to an IIS web server, aka "Remote Code Execution in ADFS Vulnerability."

CVSS 2.0
9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C
EPSS
17.05% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/windows server 2003 · microsoft/windows server 2008
Source
secure@microsoft.com

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