Permissions, Privileges, and Access Controls in Microsoft .NET Framework - CVE-2020-1476

Vulnerability identifier: #VU45631

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-1476

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to ASP.NET or .NET web applications running on IIS improperly allow access to cached files. A local user can send a specially crafted request and gain elevated privileges on the target system.

Microsoft .NET Framework
Solutions Enabler Virtual Appliance
Solutions Enabler
Unisphere for PowerMax Virtual Appliance
Unisphere for PowerMax

Install update from vendor's website.

Solutions Enabler Virtual Appliance - addressed in versions 9.1.0.12, 9.2.0.1
Solutions Enabler - addressed in versions 9.1.0.12, 9.2.0.1
Unisphere for PowerMax Virtual Appliance - addressed in versions 9.1.0.24, 9.2.0.6
Unisphere for PowerMax - addressed in versions 9.1.0.24, 9.2.0.6

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476

• Privilege escalation in Microsoft ASP.NET and .NET
• Multiple vulnerabilities in Dell EMC Unisphere for PowerMax and Dell EMC Solutions Enabler