CVE-2020-13671
Improper sanitization in the extension file names is present in Drupal core.
Browse: All 2020 CVEs · All vendors
- CISA KEV
- Yes — actively exploited (added 2022-01-18, remediation due 2022-07-18)
- Weakness (CWE)
- CWE-434
Description
Improper sanitization in the extension file names is present in Drupal core.
Affected products
- Drupal Drupal core
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-07-18.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
FAQ
Is CVE-2020-13671 actively exploited?
Yes. CISA added CVE-2020-13671 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-01-18, with a federal remediation deadline of 2022-07-18. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2020-13671?
CVE-2020-13671 has no published CVSS base score yet — NVD analysis can lag disclosure. Check the vendor references for an interim severity.
Related vulnerabilities
- CVE-2018-7600 — Drupal Drupal Core
- CVE-2026-9082 — Drupal Core
- CVE-2018-7602 — Drupal Core
- CVE-2019-6340 — Drupal Core
- CVE-2026-56291 — Balbooa Forms
- CVE-2026-48939 — iCagenda iCagenda
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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