CVE-2020-13671
Actively exploited. CVE-2020-13671 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-18) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Improper sanitization in the extension file names is present in Drupal core.
CSIRTS triage
- What
- Improper sanitization in the extension file names is present in Drupal core.
- Who is affected
- Deployments of Drupal core are affected.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security patch for Drupal core.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 90% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2020-13671: Drupal core Un-restricted Upload of Filecisa-kev · 2022-01-18
External references
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