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Vulnerability record · CVE-2014-4072 · published 10 September 2014

CVE-2014-4072: Microsoft .net framework vulnerability

Microsoft · .Net Framework

Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly use a hash table for request data, which allows remote attackers to cause a denial of service (resource consumption and ASP.NET performance degradation) via crafted requests, aka ".NET Framework Denial of Service Vulnerability."

5.0 CVSS 2.0 Medium EPSS 31% · top 1.8% CWE-399 · CWE-399
5.0CVSS 2.0 base score
31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly use a hash table for request data, which allows remote attackers to cause a denial of service (resource consumption and ASP.NET performance degradation) via crafted requests, aka ".NET Framework Denial of Service Vulnerability."

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
http://www.securityfocus.com/bid/69603
http://www.securitytracker.com/id/1030819
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-053
http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
http://www.securityfocus.com/bid/69603
http://www.securitytracker.com/id/1030819
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-053

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-4072), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.