What’s Vulnerable › Vulnerabilities

CVE-2017-8700

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-15 · updated 2026-06-17

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".

Affected products

• Microsoft .NET Core: 1.0, 1.1, 2.0
• Microsoft .NET Core: ASP.NET Core 1.0, 1.1, and 2.0

References

• http://www.securityfocus.com/bid/101712
• http://www.securitytracker.com/id/1039793
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700
• http://www.securityfocus.com/bid/101712
• http://www.securitytracker.com/id/1039793
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700

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