Privilege escalation in ASP.NET Core MVC - CVE-2017-0249

Vulnerability identifier: #VU6542

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-0249

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote unauthenticated attacker to gain elevated privileges on the target system.

The weakness exists due to improper validation of user-input requests by ASP.NET Core. A remote attacker can send a specially crafted web request and gain elevated privileges.

ASP.NET Core MVC

Install update from vendor's website.

• https://technet.microsoft.com/en-us/library/security/4021279.aspx

• Multiple vulnerabilities in Microsoft ASP.NET Core