Information disclosure in Microsoft .NET Core and Visual Studio



Published: 2021-10-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41355
CWE-ID CWE-200
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe 		Microsoft .NET Core
Server applications / Frameworks for developing and running applications

Visual Studio
Universal components / Libraries / Software for developers

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU57311

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-41355

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in .NET Core and Visual Studio. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Core: 5.0.0

Visual Studio: 16.9.0 16.9.31025.194 - 16.11.0 16.11.31605.320

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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