Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-13670
CVE-2020-13670:
PHP vulnerability analysis and mitigation
Overview
Information Disclosure vulnerability affects the file module of Drupal Core, allowing attackers to gain unauthorized access to file metadata of permanent private files by guessing the file ID. This vulnerability impacts Drupal Core versions 8.8.x before 8.8.10, 8.9.x before 8.9.6, and 9.0.x before 9.0.6 (NVD, CVE).
Technical details
The vulnerability is classified with a CVSS v3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. The weakness is categorized under CWE-668 (Exposure of Resource to Wrong Sphere), indicating a security boundary violation where resources are exposed to the wrong security context (NVD).
Impact
When exploited, the vulnerability allows attackers to access file metadata of permanent private files that they should not have permission to view. This represents a significant information disclosure risk as sensitive file metadata could be exposed to unauthorized users (NVD).
Mitigation and workarounds
Users should upgrade to the following fixed versions: Drupal 8.8.10 for 8.8.x users, Drupal 8.9.6 for 8.9.x users, or Drupal 9.0.6 for 9.0.x users (Drupal Advisory).
Additional resources
Source: This report was generated using AI
Related PHP vulnerabilities:
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