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".
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.105 (95.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.093 · newest: 0.105 · change: +0.012
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
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700 (Patch, Issue Tracking, Vendor Advisory)
- www.securitytracker.com/id/1039793 (VDB Entry, Third Party Advisory, vdb-entry, Issue Tracking)
- www.securityfocus.com/bid/101712 (VDB Entry, Third Party Advisory, vdb-entry)
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.