CVE-2009-0237

Cross-site scripting (XSS) vulnerability in cookieauth.dll in the HTML forms authentication component in Microsoft Forefront Threat Management Gateway, Medium Business Edition (TMG MBE); and Internet Security and Acceleration (ISA) Server 2006, 2006 Supportability Update, and 2006 SP1; allows remote attackers to inject arbitrary web script or HTML via "authentication input" to this component, aka "Cross-Site Scripting Vulnerability."

Published: 2009-04-15 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0237 is rated Moderate Risk (53.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 41.88%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.86% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-0237

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 40.02% 41.88% +1.86%
2 2025-03-29 41.88% 40.02% -1.86%
3 2025-03-17 — 41.88% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0237

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-0237

Affected software / configurations for CVE-2009-0237

Vendor Product Version Raw CPE
microsoft forefront_threat_management_gateway — cpe:2.3:a:microsoft:forefront_threat_management_gateway:-:-:medium_business:*:*:*:*:*
microsoft internet_security_and_acceleration_server 2004 cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:enterprise:*:*:*:*:*
microsoft internet_security_and_acceleration_server 2004 cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:standard:*:*:*:*:*
microsoft internet_security_and_acceleration_server 2006 cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:sp1:*:*:*:*:*:*
microsoft internet_security_and_acceleration_server 2006 cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:supportability:*:*:*:*:*:*

References for CVE-2009-0237

cvelogic Threat Intelligence