CVE-2021-32833 : Security Advisory and Response
Learn about CVE-2021-32833, an unauthenticated file read vulnerability in Emby Server up to version 4.6.4.0. Discover the impact, affected systems, exploitation mechanism, and mitigation steps.
Emby Server, a personal media server with apps on various devices, is impacted by an unauthenticated file read vulnerability. This vulnerability, identified as CVE-2021-32833, allows unauthorized access to the system, especially when the Emby Server is accessible from the internet.
Understanding CVE-2021-32833
This section delves into the details of the CVE-2021-32833 vulnerability found in the Emby Server.
What is CVE-2021-32833?
CVE-2021-32833 is an unauthenticated file read vulnerability in Emby Server, specifically affecting versions up to 4.6.4.0. It allows attackers to read arbitrary files in the system.
The Impact of CVE-2021-32833
The impact of CVE-2021-32833 is rated as high severity due to its potential to compromise the confidentiality of sensitive information. The vulnerability requires no user interaction and can be exploited remotely.
Technical Details of CVE-2021-32833
This section provides technical insights into the vulnerability in Emby Server.
Vulnerability Description
The vulnerability in Emby Server allows attackers to perform unauthorized file reads, compromising the security and confidentiality of the server.
Affected Systems and Versions
Emby Server versions up to 4.6.4.0 are affected by this vulnerability, making them susceptible to unauthorized file access.
Exploitation Mechanism
The exploitation of CVE-2021-32833 involves leveraging known vulnerable routes within Emby Server, potentially leading to unauthorized system access.
Mitigation and Prevention
To protect systems from the CVE-2021-32833 vulnerability, specific steps and security practices need to be implemented.
Immediate Steps to Take
Immediate actions should include restricting access to vulnerable routes, updating to the latest patched version, and ensuring Emby Server is not directly accessible from the internet.
Long-Term Security Practices
Implementing network segmentation, regular security assessments, and monitoring for unauthorized access can enhance long-term security.
Patching and Updates
Regularly applying security patches and updates released by Emby for the server software is crucial to mitigate the risks associated with CVE-2021-32833.