Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2022-27261
CVE-2022-27261:
JavaScript vulnerability analysis and mitigation
Overview
An arbitrary file write vulnerability was discovered in Express-FileUpload version 1.3.1. The vulnerability allows attackers to upload multiple files with the same name, which can result in overwriting files in the web application server (NVD, CVE).
Technical details
The vulnerability has been assigned CVE-2022-27261 and received a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. The vulnerability is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type) and affects Express-FileUpload version 1.3.1 running on Node.js (NVD).
Impact
When exploited, this vulnerability allows attackers to overwrite existing files on the web application server, potentially leading to data loss or manipulation of critical system files. The vulnerability primarily affects the integrity of the system, with no direct impact on confidentiality or availability (NVD).
Mitigation and workarounds
Users should upgrade to a patched version of Express-FileUpload. The vulnerability has been addressed in newer versions of the package. Additionally, implementing proper file upload validation and sanitization mechanisms can help mitigate similar vulnerabilities (Express FileUpload).
Additional resources
Source: This report was generated using AI
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