What’s Vulnerable › Vulnerabilities

CVE-2014-4072

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 30.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-09-10 · updated 2026-06-17
• Weakness: CWE-399

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."

Affected products

• Microsoft .NET Framework: 1.1-sp1, 2.0-sp2, 3.0-sp2, 3.5, 3.5.1, 4.0 (+3)

References

• 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

Get alerted when CVE-2014-4072 or the next vulnerability affects your stack