Vulnerability in Microsoft Asp.net Core
CVE-2017-8700
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".
EPSS: 0.105 (95.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Microsoft Asp.net_core — versions 1.0, 1.1, 2.0
- Microsoft Corporation Asp.net Core — versions ASP.NET Core 1.0, 1.1, and 2.0
Public proof-of-concept exploits
References
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, Issue Tracking, x_refsource_SECTRACK)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-8700?
- CVE-2017-8700 is a high-severity vulnerability in Microsoft Asp.net Core. CVSS score: 7.5/10. Published 2017-11-15.
- How severe is CVE-2017-8700?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-8700 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.