CVE-2017-8700

mediumpriority · track · 34EPSS 0.104 · 96 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

10.4% (96th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USLLM-inferred

affected products (8)

Products and version ranges known to be affected.

Microsoft Corporation ASP.NET Core≤ ASP.NET Core 1.0, 1.1, and 2.0enisa_euvdEU
microsoft asp.net core= 1.0nvdUScpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
microsoft asp.net core= 1.1nvdUScpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
microsoft asp.net core= 2.0nvdUScpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
NuGet Microsoft.AspNetCore.Mvc.Core1.0.0 → 1.0.6osvUSpkg:nuget/Microsoft.AspNetCore.Mvc.Core
NuGet Microsoft.AspNetCore.Mvc.Core1.1.0 → 1.1.6osvUSpkg:nuget/Microsoft.AspNetCore.Mvc.Core
NuGet Microsoft.AspNetCore.Mvc.Cors1.0.0 → 1.0.6osvUSpkg:nuget/Microsoft.AspNetCore.Mvc.Cors
NuGet Microsoft.AspNetCore.Mvc.Cors1.1.0 → 1.1.6osvUSpkg:nuget/Microsoft.AspNetCore.Mvc.Cors

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-3rp6-rjw4-cq39Cross-origin Resource Sharing bypass in ASP.NET Core2022-05-13ghsa · osvUS
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".

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2017-11-15modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

http://www.securitytracker.com/id/1039793 cnnvd
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700 cnnvd
https://www.securityfocus.com/bid/101712 cnnvd
http://www.securityfocus.com/bid/101712 enisa_euvd
http://www.securitytracker.com/id/1039793 enisa_euvd
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700 enisa_euvd
http://www.securityfocus.com/bid/101712Third Party AdvisoryVDB Entrynvd
http://www.securitytracker.com/id/1039793Issue TrackingThird Party AdvisoryVDB Entrynvd

scry

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