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Vulnerability record · CVE-2017-0249 · published 12 May 2017

CVE-2017-0249: Microsoft asp.net model view controller improper input validation vulnerability

Microsoft · Asp.Net Model View Controller

An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.

7.3 CVSS 3.0 High EPSS 4.2% · top 9.5% CWE-20 · Improper input validation
7.3CVSS 3.0 base score, v2 7.5
4.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
18Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.

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

Affected products

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

References

LinkTags
https://github.com/aspnet/Announcements/issues/239 Technical DescriptionThird Party Advisory
https://github.com/aspnet/Announcements/issues/239 Technical DescriptionThird Party Advisory

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Related vulnerabilities

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

7.5CVE-2018-8171Microsoft asp.net core improper authentication vulnerabilityA Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated, aka "ASP.NET Security Feature…EPSS 10%7.5CVE-2017-0247Microsoft asp.net model view controller improper input validation vulnerabilityA denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests. NOTE: Microsoft has not commented on third-pa…EPSS 17%5.3CVE-2017-0256Microsoft asp.net model view controller improper input validation vulnerabilityA spoofing vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.EPSS 3.5%4.3CVE-2014-4075Microsoft asp.net model view controller cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in System.Web.Mvc.dll in Microsoft ASP.NET Model View Controller (MVC) 2.0 through 5.1 allows remote attacke…EPSS 20%9.5CVE-2026-88771Citrix netscaler application delivery controller improper input validation vulnerabilityImproper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-…KEV9.5CVE-2026-93952Arista velocloud orchestrator improper input validation vulnerabilityVeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality an…KEVEPSS 1.1%8.8CVE-2019-1068Microsoft SQL Server improper input validation remote code executionMicrosoft SQL Server mishandles processing of internal functions, allowing an authenticated remote attacker to execute code on the database server. T…KEVEPSS 58%analysed5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed

Source: NIST National Vulnerability Database (record CVE-2017-0249), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.