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CVE-2017-8700

Published: Nov 15, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSANVD-CWE-noinfo
NVD MITRE
7.5CVSSHIGH
EPSS Score
10.5%
Top 4.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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".

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

NVD-CWE-noinfo

Affected Products

ASP.NET CoreMicrosoft Corporation
LibraryLibrary
OSS Libraries / generic-library
Microsoft.AspNetCore.Mvc.CoreNuGetOSS Libraries
Microsoft.AspNetCore.Mvc.CorsNuGetOSS Libraries
asp.net coremicrosoft
On-premLibrary
OSS Libraries / web-framework
microsoft corporationcommercialUSOperating Systemsaka microsoft
nugetpackage-ecosystemOSS Libraries
microsoftcommercialUSOperating Systems

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700
portal.msrc.microsoft.com
http://www.securitytracker.com/id/1039793
securitytracker.com
http://www.securityfocus.com/bid/101712
securityfocus.com
and 3 more references View all →

Timeline

Published
Nov 15, 2017
Last Updated
May 13, 2026

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