CVE-2009-1536

Name: CVE-2009-1536
Creator: NVD / NIST
Published: 2009-08-12T17:30:00.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 51.32%

Last modified Jun 16, 2026

CVE-2009-1536 is a vulnerability of currently unknown severity. ASP.NET in Microsoft .NET Framework 2.0 SP1 and SP2 and 3.5 Gold and SP1, when ASP 2.0 is used in integrated mode on IIS 7.0, does not properly manage request scheduling, which allows remote attackers to cause a denial of service (daemon outage) via a series of crafted HTTP requests, aka "Remote Unauthenticated Denial of Service in ASP.NET Vulnerability.". EPSS estimates a 51.32% chance of exploitation in the next 30 days.

Description

ASP.NET in Microsoft .NET Framework 2.0 SP1 and SP2 and 3.5 Gold and SP1, when ASP 2.0 is used in integrated mode on IIS 7.0, does not properly manage request scheduling, which allows remote attackers to cause a denial of service (daemon outage) via a series of crafted HTTP requests, aka "Remote Unauthenticated Denial of Service in ASP.NET Vulnerability."

Metrics

EPSS Probability

51.32%

98.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Microsoft	.Net Framework	2.0	Sp1
Microsoft	.Net Framework	3.5	—
Microsoft	Windows Server 2008	All versions	—
Microsoft	Windows Vista	All versions	—

References

http://blogs.technet.com/srd/archive/2009/08/11/ms09-035-asp-net-denial-of-service-vulnerability.aspxVendor Advisory
http://osvdb.org/56905Broken Link
http://secunia.com/advisories/36127Third Party Advisory
http://www.securityfocus.com/bid/35985Patch, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022715Third Party Advisory, VDB Entry
http://www.us-cert.gov/cas/techalerts/TA09-223A.htmlThird Party Advisory, US Government Resource
http://www.vupen.com/english/advisories/2009/2231Permissions Required, Third Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-036
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6393Third Party Advisory
http://blogs.technet.com/srd/archive/2009/08/11/ms09-035-asp-net-denial-of-service-vulnerability.aspxVendor Advisory
http://osvdb.org/56905Broken Link
http://secunia.com/advisories/36127Third Party Advisory
http://www.securityfocus.com/bid/35985Patch, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022715Third Party Advisory, VDB Entry
http://www.us-cert.gov/cas/techalerts/TA09-223A.htmlThird Party Advisory, US Government Resource
http://www.vupen.com/english/advisories/2009/2231Permissions Required, Third Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-036
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6393Third Party Advisory

Timeline

Published: Aug 12, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-1536?

How severe is CVE-2009-1536?

Severity scoring for CVE-2009-1536 is pending analysis. The EPSS model estimates a 51.32% probability of exploitation in the next 30 days.

How do I fix CVE-2009-1536?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-1536?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST