Is CVE-2014-4072 being actively exploited?

CVE-2014-4072 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-4072?

CVE-2014-4072 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2014-4072

MEDIUM · CVSS 5.0EPSS 30.9%EU EUVD

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."

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 30.9% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-4003)
Published: September 10, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-4003 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / .net framework
microsoft / .net framework
microsoft / .net framework
microsoft / .net framework
microsoft / .net framework
microsoft / .net framework
microsoft / .net framework
microsoft / .net framework
microsoft / .net framework

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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