Platform
nodejs
Component
files-bucket-server
Fixed in
1.2.7
CVE-2025-8021 describes a Directory Traversal vulnerability present in files-bucket-server versions up to 1.2.6. This flaw allows attackers to navigate outside the intended directory structure and potentially access arbitrary files on the server. Successful exploitation could lead to unauthorized data disclosure or modification. A fix is available in all subsequent versions, indicated by the asterisk (*).
The Directory Traversal vulnerability in files-bucket-server poses a significant risk. An attacker could exploit this flaw to read sensitive configuration files, source code, or even system files. Depending on the server's configuration and permissions, this could lead to complete system compromise. The ability to traverse the file system opens the door to data exfiltration, privilege escalation, and potentially remote code execution if combined with other vulnerabilities. This vulnerability is analogous to other directory traversal exploits where attackers leverage predictable file paths to bypass access controls.
CVE-2025-8021 was publicly disclosed on 2025-07-23. Currently, there are no known public proof-of-concept exploits available. The EPSS score is pending evaluation. While no active exploitation campaigns have been reported, the ease of exploitation inherent in directory traversal vulnerabilities suggests a potential for future attacks. Monitor security advisories and threat intelligence feeds for updates.
Exploit Status
EPSS
0.37% (58% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2025-8021 is upgrading to a version of files-bucket-server newer than 1.2.6. Since a specific fixed version is not provided, it's crucial to consult the project's release notes for the latest stable build. As an immediate workaround, implement strict file access controls, limiting the directories accessible to the files-bucket-server process. Thoroughly validate all user-supplied input to prevent path manipulation. Consider using a Web Application Firewall (WAF) to filter out malicious requests containing directory traversal attempts. Regularly review file system permissions to ensure least privilege.
Actualice el paquete files-bucket-server a la última versión disponible. Esto solucionará la vulnerabilidad de path traversal. Ejecute `npm update files-bucket-server` o `yarn upgrade files-bucket-server` para actualizar el paquete.
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CVE-2025-8021 is a vulnerability allowing attackers to access files outside the intended directory in files-bucket-server versions up to 1.2.6.
You are affected if you are using files-bucket-server versions 1.2.6 or earlier. Upgrade to the latest version to mitigate the risk.
Upgrade to a version of files-bucket-server newer than 1.2.6. Consult the project's release notes for the latest stable build. Implement file access restrictions as a temporary workaround.
No active exploitation campaigns have been reported at this time, but the vulnerability's nature suggests a potential for future attacks.
Refer to the project's official website or repository for the latest security advisories and release notes related to CVE-2025-8021.
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