Mass Assignment Flaw in Sustainable Irrigation Platform

Executive Summary

CVE-2026-58477 is a mass assignment vulnerability in the Sustainable Irrigation Platform (SIP) up to version 5.2.16. This flaw allows unauthenticated attackers to overwrite sensitive configuration settings by including arbitrary parameter names in HTTP requests.

Specifically, attackers can manipulate critical settings such as passphrases and listening ports. The vulnerability is also exploitable through cross-site request forgery (CSRF) because the platform lacks proper request validation. This means an attacker could trick a user into submitting a malicious request that alters the system's configuration without their knowledge.

• The vulnerability is classified under CWE-915 (Improperly Controlled Modification of Dynamically-Determined Object Attributes).
• It has a CVSS v4.0 base score of 8.8, indicating a high severity level.

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Detection Guidance

Detecting this vulnerability on your network or system involves checking for signs of unauthorized modifications to the Sustainable Irrigation Platform (SIP) configuration settings. Since the vulnerability allows unauthenticated attackers to overwrite sensitive parameters via HTTP requests, you can monitor for unusual changes in configuration values such as passphrases or listening ports.

• Review SIP logs for unexpected HTTP requests containing arbitrary or unusual parameter names, especially those targeting configuration endpoints.
• Compare the current SIP configuration settings (e.g., passphrase, listening port) against known good backups to identify unauthorized changes.
• Use network monitoring tools to detect anomalous HTTP traffic patterns, such as repeated requests to configuration endpoints from unknown sources.
• Check for the presence of SIP version 5.2.16 or earlier, as these versions are confirmed to be affected by the vulnerability.

While specific commands are not provided in the context, you can use tools like curl or Burp Suite to manually test for the vulnerability by sending crafted HTTP requests with arbitrary parameters to the SIP application. For example:

• curl -X POST http://<SIP_SERVER>/config -d "arbitrary_param=malicious_value" (Replace <SIP_SERVER> with the actual SIP server address and adjust the endpoint as needed.)

If the application accepts the arbitrary parameter and modifies the configuration, it indicates the presence of the vulnerability.

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Impact Analysis

If you are using the Sustainable Irrigation Platform (SIP) version 5.2.16 or earlier, this vulnerability could have several serious impacts.

• Unauthenticated attackers could overwrite sensitive configuration settings, such as passphrases, which may lead to unauthorized access to the system.
• Attackers could change the listening port, potentially disrupting normal operations or redirecting traffic to malicious endpoints.
• The vulnerability can be exploited via cross-site request forgery (CSRF), meaning an attacker could manipulate a legitimate user into unknowingly altering the system's configuration.
• Successful exploitation could result in loss of control over the system, unauthorized data access, or further compromise of connected infrastructure.

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Compliance Impact

This vulnerability could have significant implications for compliance with various standards and regulations, depending on how the Sustainable Irrigation Platform (SIP) is used in your environment.

• GDPR: If the SIP system processes or stores personal data of EU citizens, unauthorized access or modification of configuration settings could lead to a data breach. Under GDPR, organizations must implement appropriate security measures to protect personal data. Failure to do so could result in fines and legal consequences.
• HIPAA: If the SIP system is used in a healthcare setting and handles protected health information (PHI), this vulnerability could lead to unauthorized access or alteration of PHI. HIPAA requires safeguards to ensure the confidentiality, integrity, and availability of PHI. Non-compliance could result in penalties.
• Other standards: The vulnerability may also impact compliance with frameworks like ISO 27001, NIST, or sector-specific regulations that require secure configuration management and protection against unauthorized changes.

Organizations should assess whether this vulnerability exposes them to non-compliance risks and take corrective actions, such as applying patches or mitigations, to maintain adherence to relevant regulations.

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Mitigation Strategies

To mitigate this vulnerability, follow these immediate steps:

• Upgrade the Sustainable Irrigation Platform (SIP) to the latest version if a patch or update is available. The context does not specify a patched version, so contact the vendor for updates.
• If upgrading is not immediately possible, restrict access to the SIP application by implementing network-level controls such as firewalls or access control lists (ACLs) to limit exposure to trusted IP addresses only.
• Disable or remove any unnecessary HTTP endpoints that allow configuration changes, especially those accessible without authentication.
• Implement strict input validation for all HTTP requests to prevent arbitrary parameter injection. Ensure that only expected and whitelisted parameters are processed.
• Enable CSRF protection mechanisms if the SIP application supports them, or implement custom request validation to prevent cross-site request forgery attacks.
• Monitor the SIP application logs for suspicious activity, such as repeated failed attempts to modify configuration settings or unexpected changes to sensitive values.
• Consider deploying a web application firewall (WAF) to filter out malicious HTTP requests targeting the vulnerability.
• Regularly back up the SIP configuration settings and verify their integrity to detect unauthorized changes quickly.

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