CVE-2018-8517

high-risk
Published 2018-12-12

A denial of service vulnerability exists when .NET Framework improperly handles special web requests, aka ".NET Framework Denial Of Service Vulnerability." This affects Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.

Do I need to act?

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14.4% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (10)

Affected Vendors

Microsoft

References (4)

Third Party Advisory http://www.securityfocus.com/bid/106075
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8517
Third Party Advisory http://www.securityfocus.com/bid/106075
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8517
54
/ 100
high-risk
Severity 26/34 · High
Exploitability 12/34 · Low
Exposure 16/34 · Moderate