CVE-2021-32093 : Security Advisory and Response
Learn about CVE-2021-32093, a vulnerability in U.S. National Security Agency (NSA) Emissary 5.9.0 that allows authenticated users to read arbitrary files via the ConfigName parameter. Find out the impact, affected systems, and mitigation steps.
This article provides an overview of CVE-2021-32093, a vulnerability in the ConfigFileAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 that allows an authenticated user to read arbitrary files via the ConfigName parameter.
Understanding CVE-2021-32093
This section will cover the details of the CVE-2021-32093 vulnerability.
What is CVE-2021-32093?
The ConfigFileAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to read arbitrary files via the ConfigName parameter.
The Impact of CVE-2021-32093
The vulnerability can be exploited by an authenticated user to access sensitive information stored on the system, potentially leading to unauthorized disclosure of confidential data.
Technical Details of CVE-2021-32093
In this section, we will delve into the technical aspects of CVE-2021-32093.
Vulnerability Description
The flaw in the ConfigFileAction component enables authenticated users to retrieve files they are not authorized to access by manipulating the ConfigName parameter.
Affected Systems and Versions
The vulnerability affects U.S. National Security Agency (NSA) Emissary version 5.9.0.
Exploitation Mechanism
Attackers with authenticated access can exploit the vulnerability by sending malicious requests with crafted ConfigName parameters to retrieve unauthorized files.
Mitigation and Prevention
This section provides guidance on how to mitigate and prevent exploitation of CVE-2021-32093.
Immediate Steps to Take
- Implement access controls to restrict file retrieval based on user privileges.
- Apply security patches provided by the vendor to address the vulnerability.
Long-Term Security Practices
- Regularly review and update access control policies to prevent unauthorized access to sensitive files.
- Conduct security training for users to raise awareness about safe file handling practices.
Patching and Updates
Ensure that the affected U.S. National Security Agency (NSA) Emissary installations are updated with the latest security patches to remediate CVE-2021-32093.