Drupal File Download Path Traversal Exposes Private Files
CVE-2023-31250 Published on April 26, 2023
Drupal core - Moderately critical - Access bypass - SA-CORE-2023-005
The file download facility doesn't sufficiently sanitize file paths in certain situations. This may result in users gaining access to private files that they should not have access to. Some sites may require configuration changes following this security release. Review the release notes for your Drupal version if you have issues accessing private files after updating.
Vulnerability Analysis
CVE-2023-31250 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2023-31250 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2023-31250
Want to know whenever a new CVE is published for Drupal? stack.watch will email you.
Affected Versions
Drupal Core:- Version 7.0 and below 7.96 is affected.
- Version 10.0 and below 10.0.8 is affected.
- Version 9.5 and below 9.5.8 is affected.
- Version 9.4 and below 9.4.14 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.