CVE-2022-21941 Explained : Impact and Mitigation
Critical CVE-2022-21941 affects iSTAR Ultra by Johnson Controls, allowing unauthorized root access through a command injection vulnerability. Learn mitigation steps.
All versions of iSTAR Ultra prior to version 6.8.9.CU01 are vulnerable to a command injection that could allow an unauthenticated user root access to the system.
Understanding CVE-2022-21941
This CVE affects Johnson Controls' product, iSTAR Ultra, making it susceptible to a critical command injection vulnerability.
What is CVE-2022-21941?
The vulnerability in iSTAR Ultra prior to version 6.8.9.CU01 allows an attacker to execute arbitrary commands, potentially leading to unauthorized access with elevated privileges.
The Impact of CVE-2022-21941
The impact of this vulnerability is critical, with a CVSS base score of 10. It poses a high risk to confidentiality, integrity, and availability, allowing unauthenticated users to gain root access to the system.
Technical Details of CVE-2022-21941
Johnson Controls' iSTAR Ultra is affected by a command injection vulnerability that can be exploited by an attacker with network access.
Vulnerability Description
The vulnerability arises from improper neutralization of special elements used in a command, facilitating unauthorized execution of commands on the system.
Affected Systems and Versions
All versions of iSTAR Ultra before 6.8.9.CU01 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited remotely with low attack complexity, making it a significant security concern for affected systems.
Mitigation and Prevention
To address CVE-2022-21941 and safeguard systems from exploitation, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
Users are advised to upgrade iSTAR Ultra firmware to version 6.8.9.CU01 to mitigate the vulnerability. The firmware update is available for download on the Johnson Controls website.
Long-Term Security Practices
In addition to applying patches, implementing network segmentation, access controls, and regular security audits can enhance the overall security posture.
Patching and Updates
Regularly check for security updates and apply patches promptly to protect systems from known vulnerabilities.