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CVE-2017-0248

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specifi...

Published: May 12, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSACWE-295
NVD MITRE
7.5CVSSHIGH
EPSS Score
5.5%
Top 8.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Moderate severity vulnerability that affects Microsoft.AspNetCore.Mvc and Microsoft.AspNetCore.Mvc.Core

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-295

Affected Products

Microsoft.AspNetCore.MvcNuGetOSS Libraries
Microsoft.AspNetCore.Mvc.CoreNuGetOSS Libraries
System.Net.HttpNuGetOSS Libraries
System.Text.Encodings.WebNuGetOSS Libraries
System.Net.Http.WinHttpHandlerNuGetOSS Libraries
nugetpackage-ecosystemOSS Libraries
and 16 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2017-0248
nvd.nist.gov
https://github.com/aspnet/Announcements/issues/239
github.com
https://github.com/advisories/GHSA-ch6p-4jcm-h8vh
github.com
and 3 more references View all →

Timeline

Published
May 12, 2017
Last Updated
May 13, 2026

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