CVE-2017-11879

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Summary

CVECVE-2017-11879
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-11-15 03:29:01 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionASP.NET Core 2.0 allows an attacker to steal log-in session information such as cookies or authentication tokens via a specially crafted URL aka "ASP.NET Core Elevation Of Privilege Vulnerability".

Risk And Classification

Primary CVSS: v3.0 8.8 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.097720000 probability, percentile 0.930320000 (date 2026-05-13)

Problem Types: CWE-601 | Elevation of Privilege

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft Asp.net Core 2.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Corporation ASP.NET Core affected ASP.NET Core 2.0 Not specified

References

ReferenceSourceLinkTags
Microsoft ASP.NET Bugs Let Remote Users Deny Service, Obtain Potentially Sensitive Information, and Redirect the Target User to An Arbitrary Site - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Issue Tracking, Third Party Advisory, VDB Entry
{{windowTitle}} af854a3a-2127-422b-91ae-364da2661108 portal.msrc.microsoft.com Issue Tracking, Patch, Vendor Advisory
Microsoft ASP.NET Core CVE-2017-11879 Open Redirection Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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