CVE-2017-11770

Name: CVE-2017-11770
Creator: NVD / NIST
Published: 2017-11-15T03:29:00.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.42%

Last modified Jun 17, 2026

CVE-2017-11770 is a vulnerability of currently unknown severity. .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".. EPSS estimates a 5.42% chance of exploitation in the next 30 days.

Description

.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".

Metrics

EPSS Probability

5.42%

91.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Microsoft	Aspnetcore	1.0
Microsoft	Aspnetcore	1.1
Microsoft	Aspnetcore	2.0

References

http://www.securityfocus.com/bid/101710Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039787Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:3248Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11770Patch, Vendor Advisory
http://www.securityfocus.com/bid/101710Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039787Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:3248Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11770Patch, Vendor Advisory

Timeline

Published: Nov 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11770?

How severe is CVE-2017-11770?

Severity scoring for CVE-2017-11770 is pending analysis. The EPSS model estimates a 5.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11770?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-11770?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST