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Vulnerability record · CVE-2017-11879 · published 15 November 2017

CVE-2017-11879: Microsoft asp.net core open redirect vulnerability

Microsoft · Asp.Net Core

ASP.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".

8.8 CVSS 3.0 High EPSS 9.4% · top 4.8% CWE-601 · Open redirect
8.8CVSS 3.0 base score, v2 4.3
9.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

ASP.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".

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/101713 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039793 Issue TrackingThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11879 Issue TrackingPatchVendor Advisory
http://www.securityfocus.com/bid/101713 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039793 Issue TrackingThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11879 Issue TrackingPatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-11879), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.