CVE-2017-8700
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
Cross-origin Resource Sharing bypass in ASP.NET Core
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| NuGet | Microsoft.AspNetCore.Mvc.Core | >=1.0.0,<1.0.6 | 1.0.6 |
| NuGet | Microsoft.AspNetCore.Mvc.Core | >=1.1.0,<1.1.6 | 1.1.6 |
| NuGet | Microsoft.AspNetCore.Mvc.Cors | >=1.0.0,<1.0.6 | 1.0.6 |
| NuGet | Microsoft.AspNetCore.Mvc.Cors | >=1.1.0,<1.1.6 | 1.1.6 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| microsoft | asp.net_core | 1.0 | |
| microsoft | asp.net_core | 1.1 | |
| microsoft | asp.net_core | 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
- https://nvd.nist.gov/vuln/detail/CVE-2017-8700
- https://github.com/aspnet/Announcements/issues/279
- https://github.com/github/advisory-database/issues/302
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.