CVE-2022-0550 : What You Need to Know
Learn about CVE-2022-0550, an Authenticated RCE vulnerability in Nozomi Networks Guardian and CMC versions prior to 22.0.0. Understand the impact, affected systems, and mitigation steps.
A detailed overview of CVE-2022-0550, an Authenticated Remote Code Execution (RCE) vulnerability affecting Nozomi Networks Guardian and CMC versions prior to 22.0.0.
Understanding CVE-2022-0550
This section dives into the nature of the vulnerability and its potential impact.
What is CVE-2022-0550?
The CVE-2022-0550 vulnerability involves improper input validation in the custom report logo upload feature of Nozomi Networks Guardian and CMC. It allows an authenticated attacker with admin or report manager roles to execute unattended commands on the appliance using web server user privileges.
The Impact of CVE-2022-0550
The vulnerability poses a medium severity risk with a base CVSS score of 6.3 (Medium). While the attack complexity is low, it could result in unauthorized command execution by attackers with specific roles, compromising system integrity.
Technical Details of CVE-2022-0550
This section provides technical insights into the vulnerability.
Vulnerability Description
The CVE-2022-0550 vulnerability arises due to improper input validation during the logo upload process, enabling attackers to execute arbitrary commands on the affected systems.
Affected Systems and Versions
Nozomi Networks Guardian and CMC versions prior to 22.0.0 are susceptible to this vulnerability, making systems running these versions potentially at risk.
Exploitation Mechanism
Attackers with admin or report manager roles can leverage this vulnerability to execute commands with web server user privileges, potentially leading to remote code execution.
Mitigation and Prevention
This section outlines steps to mitigate the vulnerability and prevent exploitation.
Immediate Steps to Take
To mitigate the risk, users are advised to upgrade their systems to version 22.0.0. Additionally, limiting management interface access using internal firewall features can help reduce exposure.
Long-Term Security Practices
Implementing regular security patches and updates, along with reviewing and restricting user permissions, can enhance long-term security posture.
Patching and Updates
Adhering to vendor-provided patches and updates, especially upgrading to version 22.0.0, is crucial in addressing the vulnerability and enhancing system security.