CVE-2022-21129 in nemo-appium
Summary
by MITRE • 01/31/2023
Versions of the package nemo-appium before 0.0.9 are vulnerable to Command Injection due to improper input sanitization in the 'module.exports.setup' function. **Note:** In order to exploit this vulnerability appium-running 0.1.3 has to be installed as one of nemo-appium dependencies.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 03/27/2025
The vulnerability identified as CVE-2022-21129 represents a critical command injection flaw within the nemo-appium package, specifically affecting versions prior to 0.0.9. This security weakness resides in the module.exports.setup function where insufficient input sanitization allows malicious actors to execute arbitrary commands on the affected system. The vulnerability's exploitation requires a specific dependency chain involving appium-running version 0.1.3, making it a complex attack vector that depends on the presence of multiple vulnerable components within the application ecosystem. The flaw demonstrates a classic improper input validation issue that directly violates fundamental security principles and creates significant operational risks for organizations relying on automated testing frameworks.
The technical implementation of this vulnerability stems from the absence of proper sanitization mechanisms within the setup function of the nemo-appium module. When user-supplied inputs are directly incorporated into command execution contexts without adequate validation or escaping, attackers can manipulate the application's behavior to execute unintended system commands. This pattern aligns with CWE-77 and CWE-89 categories, which specifically address command injection and SQL injection vulnerabilities respectively, highlighting the fundamental nature of the flaw. The vulnerability operates at the intersection of software development security practices and automated testing infrastructure, where the legitimate use of command execution for test automation becomes a potential attack surface when proper input handling is omitted.
The operational impact of this vulnerability extends beyond simple command execution, as it can lead to complete system compromise when exploited by malicious actors. Organizations utilizing nemo-appium for automated mobile application testing face potential data breaches, system infiltration, and unauthorized access to their testing environments. The dependency requirement for appium-running 0.1.3 creates a specific attack window where adversaries must first establish the vulnerable dependency chain before exploiting the command injection. This dependency chain approach makes the vulnerability more difficult to detect but no less dangerous, as it represents a multi-layered attack surface that requires comprehensive security assessment of the entire application stack.
Mitigation strategies for CVE-2022-21129 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities. The primary recommendation involves upgrading to nemo-appium version 0.0.9 or later, which includes proper input sanitization mechanisms within the setup function. Security teams should also implement dependency verification processes to ensure that vulnerable versions of appium-running are not present in their testing environments. Additionally, organizations should consider implementing runtime application self-protection measures and input validation frameworks that can detect and prevent command injection attempts even when other security controls fail. The vulnerability underscores the importance of maintaining secure coding practices and the need for comprehensive security testing throughout the software development lifecycle, particularly for applications that interact with system-level commands.