Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-48382
CVE-2025-48382:
Java vulnerability analysis and mitigation
Overview
Fess, a deployable Enterprise Search Server, was found to have a security vulnerability prior to version 14.19.2. The issue involves the createTempFile() method in org.codelibs.fess.helper.SystemHelper creating temporary files without explicitly setting restrictive permissions. The vulnerability was discovered and disclosed in May 2025, affecting all versions of Fess before 14.19.2 (GitHub Advisory).
Technical details
The vulnerability is tracked as CVE-2025-48382 and has been assigned CWE-732 (Incorrect Permission Assignment for Critical Resource). The issue has received a CVSS 4.0 score of 1.2 (LOW) with the vector string CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U. The technical issue stems from the createTempFile() method not implementing proper file permission restrictions when creating temporary files (NVD).
Impact
The vulnerability primarily affects environments where Fess is deployed in a shared or multi-user context, potentially leading to information disclosure by allowing unauthorized local users to access sensitive data contained in these temporary files. However, typical single-user or isolated deployments have minimal or negligible practical impact (GitHub Advisory).
Mitigation and workarounds
The vulnerability has been patched in Fess version 14.19.2. The fix includes implementing proper file permissions by setting files to be readable and writable only by the owner. For users unable to update immediately, a workaround involves ensuring local access to the environment running Fess is restricted to trusted users only (GitHub Commit, GitHub Advisory).
Additional resources
Source: This report was generated using AI
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