CVE-2017-8700

Description

ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka "ASP.NET Core Information Disclosure Vulnerability".

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 22.27% Top 5%

Vendor Advisory microsoft.com

Affected: Microsoft Corporation ASP.NET Core

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700	patch vendor advisory issue tracking
http://www.securitytracker.com/id/1039793	third party advisory vdb entry issue tracking
http://www.securityfocus.com/bid/101712	third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-8700?: CVE-2017-8700 has been scored as a high severity vulnerability.
How to fix CVE-2017-8700?: To fix CVE-2017-8700, 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-2017-8700 being actively exploited in the wild?: It is possible that CVE-2017-8700 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~22% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-8700?: CVE-2017-8700 affects Microsoft Corporation ASP.NET Core.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.