CVE-2018-8171

Description

A Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated, aka "ASP.NET Security Feature Bypass Vulnerability." This affects ASP.NET, ASP.NET Core 1.1, ASP.NET Core 1.0, ASP.NET Core 2.0, ASP.NET MVC 5.2.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 8.46% Top 10%
Vendor Advisory microsoft.com
Affected: Microsoft ASP.NET
Affected: Microsoft ASP.NET Core
Affected: Microsoft ASP.NET MVC 5.2
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1041267 third party advisory vdb entry
http://www.securityfocus.com/bid/104659 third party advisory vdb entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8171 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-8171?
CVE-2018-8171 has been scored as a high severity vulnerability.
How to fix CVE-2018-8171?
To fix CVE-2018-8171, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-8171 being actively exploited in the wild?
It is possible that CVE-2018-8171 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-8171?
CVE-2018-8171 affects Microsoft ASP.NET, Microsoft ASP.NET Core, Microsoft ASP.NET MVC 5.2.
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