CVE-2021-36206 Explained : Impact and Mitigation
Discover the details of CVE-2021-36206, a critical vulnerability in Johnson Controls' CEVAS software allowing unauthorized data retrieval. Learn about the impact, mitigation, and prevention.
A critical vulnerability, CVE-2021-36206, has been identified in Johnson Controls' CEVAS software. This CVE allows an attacker to bypass authentication and retrieve data using specially crafted SQL queries.
Understanding CVE-2021-36206
This section delves into the details of CVE-2021-36206.
What is CVE-2021-36206?
CVE-2021-36206 is a security flaw in all versions of CEVAS prior to 1.01.46 where user-controllable input is not adequately validated. This oversight enables attackers to bypass authentication using malicious SQL queries to extract sensitive data.
The Impact of CVE-2021-36206
With a CVSS base score of 10, this critical vulnerability poses a severe threat. It can result in a high impact on both confidentiality and integrity, allowing unauthorized access to sensitive information.
Technical Details of CVE-2021-36206
Let's explore the technical aspects of CVE-2021-36206.
Vulnerability Description
The vulnerability arises due to improper input validation in CEVAS versions prior to 1.01.46, exposing the software to SQL injection attacks that can compromise its security.
Affected Systems and Versions
Johnson Controls' CEVAS software versions before 1.01.46 are impacted by this vulnerability. Users must upgrade to version 1.01.46 to mitigate the risk.
Exploitation Mechanism
Attackers exploit this vulnerability by injecting malicious SQL queries, tricking the application into executing unauthorized commands, leading to data extraction.
Mitigation and Prevention
Learn how to address and prevent CVE-2021-36206 effectively.
Immediate Steps to Take
To protect your system, immediately upgrade CEVAS to version 1.01.46. Reach out to CKS for assistance with the upgrade process.
Long-Term Security Practices
Ensure regular security assessments, implement secure coding practices, and conduct thorough input validation to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories, apply patches promptly, and keep your systems up to date with the latest security enhancements.