CVE-2021-25827 : Vulnerability Insights and Analysis

A detailed overview of the CVE-2021-25827 vulnerability affecting Emby Server.

Understanding CVE-2021-25827

This section provides an insight into the nature and impact of CVE-2021-25827.

What is CVE-2021-25827?

CVE-2021-25827 is a vulnerability in Emby Server < 4.7.12.0 that allows for a login bypass attack by manipulating the X-Forwarded-For header with a local IP address.

The Impact of CVE-2021-25827

The vulnerability enables an attacker to bypass the login mechanism on affected Emby Server versions, potentially leading to unauthorized access to sensitive information.

Technical Details of CVE-2021-25827

Explore the technical aspects and implications of CVE-2021-25827.

Vulnerability Description

The flaw in Emby Server < 4.7.12.0 permits threat actors to bypass the login authentication process by altering the X-Forwarded-For header.

Affected Systems and Versions

All Emby Server instances running versions lower than 4.7.12.0 are vulnerable to this attack.

Exploitation Mechanism

By setting the X-Forwarded-For header to a local IP address, malicious users can exploit this vulnerability and gain unauthorized access to Emby Server.

Mitigation and Prevention

Discover the measures to mitigate and prevent the exploitation of CVE-2021-25827.

Immediate Steps to Take

Users are advised to update Emby Server to version 4.7.12.0 or newer to address this vulnerability and enhance security.

Long-Term Security Practices

Implementing strong access controls, monitoring login activities, and regularly updating software are essential for long-term security.

Patching and Updates

Regularly check for security updates from Emby Server and apply patches promptly to safeguard against potential security risks.