CVE-2020-13671
Drupal core Un-restricted Upload of File
n/a
CVSS
4.3%
EPSS (exploit prob.)
90.1%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2022-01-18
Added
Summary
Improper sanitization in the extension file names is present in Drupal core.
Affected software
Vendor: Drupal · Product: Drupal core
Weakness types (CWE):
CWE-434
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Drupal
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2018-7600 | Drupal Core Remote Code Execution Vulnerability | 100.0% | Yes |
| CVE-2018-7602 | Drupal Core Remote Code Execution Vulnerability | 99.2% | Yes |
| CVE-2019-6340 | Drupal Core Remote Code Execution Vulnerability | 92.0% | Yes |
| CVE-2026-9082 | Drupal Core SQL Injection Vulnerability | 88.3% | Yes |
Is your domain exposed?
Run a free, instant security report for any domain — exposure score, email auth, TLS and breach metadata.
Get your free reportAll information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.