Learn about CVE-2021-40376, a vulnerability in otris Update Manager 1.2.1.0 that allows local users to achieve SYSTEM access and potential remote attacks. Find mitigation steps and prevention measures here.
This CVE-2021-40376 article provides details about a vulnerability in otris Update Manager 1.2.1.0 that allows local users to achieve SYSTEM access and potential remote attacks.
Understanding CVE-2021-40376
This section delves into the specifics of CVE-2021-40376.
What is CVE-2021-40376?
CVE-2021-40376 highlights a security flaw in otris Update Manager 1.2.1.0 that enables local users to gain SYSTEM access through unauthenticated calls to exposed interfaces via a .NET named pipe. There is also a possibility of remote exploitation by using WsHTTPBinding for HTTP traffic on TCP port 9000.
The Impact of CVE-2021-40376
The vulnerability can lead to severe consequences:
Technical Details of CVE-2021-40376
This section outlines the technical aspects of CVE-2021-40376.
Vulnerability Description
The vulnerability in otris Update Manager 1.2.1.0 allows local users to escalate privileges to SYSTEM and opens the door for remote attacks using WsHTTPBinding over port 9000.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability is exploited by making unauthenticated calls to exposed interfaces over a .NET named pipe, enabling local users to gain SYSTEM access. Remote attacks can use WsHTTPBinding over TCP port 9000.
Mitigation and Prevention
This section provides guidance on mitigating the risks posed by CVE-2021-40376.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates