CVE-2020-13671 vulnerability in Drupal and Other Products
Published on November 20, 2020
Known Exploited Vulnerability
This Drupal core Un-restricted Upload of File vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Improper sanitization in the extension file names is present in Drupal core.
The following remediation steps are recommended / required by July 18, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2020-13671 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an Unrestricted File Upload Vulnerability?
The software allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment.
CVE-2020-13671 has been classified to as an Unrestricted File Upload vulnerability or weakness.
Products Associated with CVE-2020-13671
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-13671 are published in these products:
Affected Versions
Drupal Core:- Version 9.0 versions prior to 9.0.8 is affected.
- Version 8.9 versions prior to 8.9.9 is affected.
- Version 8.8 versions prior to 8.8.11 is affected.
- Version 7 versions prior to 7.74 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.