CVE-2025-36857 Vulnerability Analysis & Exploit Details

CVE-2025-36857 Vulnerability Summary

CVE-2025-36857: Rapid7 Appspider Pro versions below 7.5.021, suffer from a broken access control vulnerability in the application's configuration file loading mechanism, whereby an attacker can place files in directories belonging to other users or projects. Affected versions allow standard users to add custom configuration files. These files, which are loaded in alphabetical order, can override or change the settings of the original configuration files, creating a security vulnerability. This issue stems from improper directory access management. This vulnerability was remediated in version 7.5.021 of the product.

CVE-2025-36857 References

External References

• https://docs.rapid7.com/insight/releasenotes-2025sep/#application-security-insightappsec-and-appspider

CWE Common Weakness Enumeration

CAPEC Common Attack Pattern Enumeration and Classification

• Accessing Functionality Not Properly Constrained by ACLs CAPEC-1 In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.
• Directory Indexing CAPEC-127 An adversary crafts a request to a target that results in the target listing/indexing the content of a directory as output. One common method of triggering directory contents as output is to construct a request containing a path that terminates in a directory name rather than a file name since many applications are configured to provide a list of the directory's contents when such a request is received. An adversary can use this to explore the directory tree on a target as well as learn the names of files. This can often end up revealing test files, backup files, temporary files, hidden files, configuration files, user accounts, script contents, as well as naming conventions, all of which can be used by an attacker to mount additional attacks.
• Web Server Logs Tampering CAPEC-81 Web Logs Tampering attacks involve an attacker injecting, deleting or otherwise tampering with the contents of web logs typically for the purposes of masking other malicious behavior. Additionally, writing malicious data to log files may target jobs, filters, reports, and other agents that process the logs in an asynchronous attack pattern. This pattern of attack is similar to "Log Injection-Tampering-Forging" except that in this case, the attack is targeting the logs of the web server and not the application.

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