The Meteobridge web interface allows meteobridge administrators to manage their weather station data collection and administer their meteobridge system. However, this web application, which is written in CGI shell scripts and C, exposes an endpoint that is vulnerable to command injection. Remote unauthenticated attackers can gain arbitrary command execution with elevated privileges (root) on affected devices.
With a CVSS score of 8.7, this vulnerability is classified as high severity, indicating a significant risk to organizations utilizing the Meteobridge system. The high impact on confidentiality, integrity, and availability underscores the critical nature of this flaw.
Currently, there are no known exploits publicly available for this vulnerability. However, given its potential for exploitation and the fact that it has been added to the Known Exploited Vulnerabilities (KEV) catalog, organizations should not delay in addressing it.
Organizations should prioritize patching immediately. The publication date of this advisory highlights the urgency for defenders to implement mitigations as outlined by the vendor.
Vulnerability Details
The vulnerability allows remote unauthenticated attackers to execute arbitrary commands on affected devices due to improper validation of input in the Meteobridge web interface. This vulnerability is classified under CWE-77 (Command Injection) and CWE-306 (Missing Authentication for Critical Function).
The CVSS score of 8.7 indicates a high severity level due to the low attack complexity and the lack of required privileges for exploitation. All versions prior to 6.2 of the Meteobridge firmware and VM are affected.
Technical Analysis
The root cause of this vulnerability lies in the web application's failure to properly sanitize user input, allowing attackers to inject arbitrary commands. The attack vector is through an adjacent network, requiring the attacker to be on the same local network as the vulnerable device.
The attack complexity is low, as no special conditions are required for exploitation. Additionally, no user interaction is needed, making this vulnerability particularly dangerous.
Once exploited, the impact on confidentiality, integrity, and availability is high, as attackers may execute commands with root privileges, potentially leading to complete system compromise.
Risk & Impact Analysis
Risk to organizations includes unauthorized access to sensitive data and control over critical systems, which can lead to significant operational disruptions and financial losses. The blast radius is considerable, as this vulnerability affects all deployments of the Meteobridge firmware and VM prior to version 6.2.
Given the high CVSS score and the fact that this vulnerability is included in the KEV catalog, organizations should assess their exposure and prioritize remediation efforts. Immediate action is necessary to mitigate potential risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The affected versions include all versions of the Smartbedded Meteobridge firmware and VM prior to version 6.2. Organizations should ensure they are running the patched version to mitigate the risk associated with this vulnerability.
Mitigation & Remediation
Organizations should apply the latest patches provided by Smartbedded to remediate this issue. If patches are unavailable, consider implementing network segmentation to limit exposure and applying strict access controls. For further details on mitigation strategies, refer to the vendor's advisory.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for anomalous command executions and unauthorized access attempts. Implementing network-based signatures can also aid in identifying malicious activity.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in the increasing prevalence of command injection vulnerabilities in web applications. Security teams should prioritize application security testing and implement stringent input validation to prevent similar vulnerabilities in the future.
Organizations should consider enhancing their security posture by adopting a comprehensive vulnerability management strategy. Continuous monitoring and regular penetration testing can help identify and remediate vulnerabilities proactively.
For more information on effective security testing strategies, organizations can refer to the penetration testing services offered by AppSecure.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)