CVE-2017-11770

moderate-risk
Published 2017-11-15

.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly parsing certificate data. A denial of service vulnerability exists when .NET Core improperly handles parsing certificate data, aka ".NET CORE Denial Of Service Vulnerability".

Do I need to act?

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13.7% 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 (3)

Affected Vendors

Microsoft

References (8)

Third Party Advisory http://www.securityfocus.com/bid/101710
Third Party Advisory http://www.securitytracker.com/id/1039787
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3248
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-1177...
Third Party Advisory http://www.securityfocus.com/bid/101710
Third Party Advisory http://www.securitytracker.com/id/1039787
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3248
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-1177...
47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 12/34 · Low
Exposure 9/34 · Low