CVE-2017-11879

Name: CVE-2017-11879
Creator: NVD / NIST
Published: 2017-11-15T03:29:01.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 9.40%

Last modified Jun 17, 2026

CVE-2017-11879 is a vulnerability of currently unknown severity. 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".. EPSS estimates a 9.40% chance of exploitation in the next 30 days.

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".

Metrics

EPSS Probability

9.40%

94.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Microsoft	Asp.Net Core	2.0

References

http://www.securityfocus.com/bid/101713Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039793Issue Tracking, Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11879Issue Tracking, Patch, Vendor Advisory
http://www.securityfocus.com/bid/101713Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039793Issue Tracking, Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11879Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Nov 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11879?

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".

How severe is CVE-2017-11879?

Severity scoring for CVE-2017-11879 is pending analysis. The EPSS model estimates a 9.40% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11879?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-11879?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST