CVE-2017-8700

HIGH

ASP.NET Core 1.0, 1.1, and 2.0 - Cross-origin Resource Sharing Bypass

Title source: llm
STIX 2.1

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".

References (3)

Core 3
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700
Issue Tracking, Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039793
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/101712

Scores

CVSS v3 7.5
EPSS 0.0739
EPSS Percentile 91.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (6)
microsoft/asp.net_core 1.0
microsoft/asp.net_core 1.1
microsoft/asp.net_core 2.0
Microsoft Corporation/ASP.NET Core ASP.NET Core 1.0, 1.1, and 2.0
nuget/Microsoft.AspNetCore.Mvc.Core 1.0.0 - 1.0.6NuGet
nuget/Microsoft.AspNetCore.Mvc.Cors 1.0.0 - 1.0.6NuGet
Published Nov 15, 2017
Tracked Since Feb 18, 2026