CVE-2025-30143 in App & API Protector
Summary
by MITRE • 03/17/2025
Rule 3000216 (before version 2) in Akamai App & API Protector (with Akamai ASE) before 2024-12-10 does not properly consider JavaScript variable assignment to built-in functions and properties.
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Analysis
by VulDB Data Team • 06/04/2025
The vulnerability identified as CVE-2025-30143 affects Akamai App & API Protector, a security solution designed to protect web applications and APIs from various threats. This flaw exists in rule 3000216 within the Akamai ASE (Application Security Engine) component, specifically impacting versions prior to 2024-12-10. The issue stems from insufficient validation mechanisms that fail to properly handle JavaScript variable assignments to built-in functions and properties, creating a potential security gap in the application protection framework.
The technical flaw manifests when the security rule fails to adequately inspect or validate JavaScript code patterns where variables are assigned to built-in functions or properties. This oversight allows malicious actors to potentially bypass security controls by crafting JavaScript code that exploits the improper handling of these assignments. The vulnerability creates a path for attackers to manipulate the security enforcement mechanisms, potentially leading to unauthorized access or execution of malicious code within the protected applications. This type of weakness falls under the category of improper input validation and can be classified as a CWE-20: Improper Input Validation, specifically related to JavaScript execution contexts within web application security controls.
The operational impact of this vulnerability extends beyond simple bypass scenarios, as it undermines the fundamental security posture of applications protected by Akamai App & API Protector. Attackers could leverage this weakness to circumvent security policies designed to prevent code injection, cross-site scripting, or other common web application attacks. The vulnerability affects the integrity of the security enforcement mechanisms, potentially allowing malicious JavaScript to execute with elevated privileges or bypass intended protection boundaries. This weakness could enable attackers to perform actions such as data exfiltration, privilege escalation, or complete compromise of the protected application environment.
Organizations utilizing Akamai App & API Protector should immediately implement the available patches and updates released by Akamai to address this vulnerability. The recommended mitigation involves upgrading to version 2 or later of the affected rule set, ensuring that all instances of the security engine are updated to properly validate JavaScript variable assignments to built-in functions and properties. Security teams should also conduct thorough assessments of their current security configurations to identify any potential exploitation attempts that may have occurred prior to the patch deployment. Additionally, implementing additional monitoring and logging controls around JavaScript execution within protected applications can help detect anomalous behavior that might indicate exploitation attempts. The vulnerability aligns with ATT&CK technique T1059.007 for JavaScript and can be classified under the broader category of application security bypass techniques. Organizations should also consider implementing network-based detection mechanisms that monitor for suspicious JavaScript patterns and ensure that their incident response procedures include specific protocols for handling potential exploitation of this type of vulnerability.