CVE-2025-30188 in OX App Suite
Summary
by MITRE • 10/31/2025
Malicious or unintentional API requests can be used to add significant amount of data to caches. Caches may evict information that is required to operate the web frontend, which leads to unavailability of the component. Please deploy the provided updates and patch releases. No publicly available exploits are known
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Analysis
by VulDB Data Team • 10/31/2025
This vulnerability represents a cache exhaustion attack that exploits the lack of proper rate limiting and resource management within API endpoints. The flaw allows adversaries to craft requests that deliberately populate caches with excessive data volumes, potentially leading to complete service disruption. The vulnerability stems from insufficient input validation and resource allocation controls that permit unbounded cache growth without proper eviction policies or size constraints. According to CWE-400, this manifests as an insufficient resource management issue where the system fails to properly control the consumption of cache resources. The attack vector specifically targets the caching mechanism itself rather than the application logic, making it particularly dangerous as it can affect system availability without requiring exploitation of application-level vulnerabilities.
The technical implementation of this vulnerability involves API endpoints that accept user-supplied data and store it in caches without adequate bounds checking or resource monitoring. When malicious actors submit requests containing large amounts of data or repeatedly submit similar requests, they can rapidly consume available cache memory. The system's cache eviction policies may not be properly configured to handle such scenarios, leading to critical cache entries being removed prematurely. This can result in essential frontend components losing cached data required for proper operation, ultimately causing the web frontend to become unavailable or functionally degraded. The vulnerability operates at the system architecture level rather than the application code level, making it particularly challenging to detect and prevent through traditional application security controls.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire web application infrastructure. When cache resources become exhausted, the system may begin to fail gracefully or exhibit unpredictable behavior, making troubleshooting difficult for administrators. The unavailability of frontend components can cascade through the entire application stack, affecting user experience and potentially leading to business continuity issues. Attackers could exploit this vulnerability to perform denial-of-service attacks against web applications, particularly those that rely heavily on caching for performance optimization. The lack of publicly available exploits does not diminish the severity, as the vulnerability can be exploited by any entity capable of crafting API requests, including insiders or automated tools.
Mitigation strategies should focus on implementing comprehensive cache management policies that include rate limiting, size constraints, and proper eviction algorithms. Organizations must deploy the provided updates and patch releases immediately to address the underlying implementation flaws. Configuration changes should include setting maximum cache sizes, implementing time-based eviction policies, and establishing monitoring for unusual cache growth patterns. The solution should incorporate automated alerts when cache utilization approaches critical thresholds, enabling proactive intervention before service degradation occurs. Additionally, implementing proper API request validation and resource allocation controls can prevent malicious actors from exploiting this vulnerability while maintaining legitimate application functionality. This approach aligns with ATT&CK technique T1499.004 for resource exhaustion attacks and follows security best practices outlined in NIST SP 800-53 for system and information integrity controls.