CVE-2017-11770

mediumpriority · track · 32EPSS 0.054 · 93 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

5.42% (93rd) EPSS

CVSS 5 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly parsing certificate data. A denial of service vulnerability exists when .NET Core improperly handles parsing certificate data, aka ".NET CORE Denial Of Service 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:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

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

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimaryCWE-295US

affected products (6)

Products and version ranges known to be affected.

Microsoft Corporation .NET Core≤ .NET Core 1.0, .NET Core 1.1, and .NET Core 2.0enisa_euvdEU
microsoft aspnetcore= 1.0nvdUScpe:2.3:a:microsoft:aspnetcore:*:*:*:*:*:*:*:*
microsoft aspnetcore= 1.1nvdUScpe:2.3:a:microsoft:aspnetcore:*:*:*:*:*:*:*:*
microsoft aspnetcore= 2.0nvdUScpe:2.3:a:microsoft:aspnetcore:*:*:*:*:*:*:*:*
NuGet Microsoft.NETCore.App1.0.0 → 2.0.3osvUSpkg:nuget/Microsoft.NETCore.App
NuGet System.Security.Cryptography.X509Certificates4.0.0 → 4.1.2osvUSpkg:nuget/System.Security.Cryptography.X509Certificates

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-7mfr-774f-w5r9Improper Certificate Validation2022-04-12ghsa · osvUS
.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly parsing certificate data. A denial of service vulnerability exists when .NET Core improperly handles parsing certificate data, aka ".NET CORE Denial Of Service 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

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+1889 more

references (12)

External citations — patches, advisories, analysis.

scry

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