CVE Record
[ HIGH ]CVE-2020-13671
Drupal core Un-restricted Upload of File
Improper sanitization in the extension file names is present in Drupal core.
- Vendor
- Drupal
- Product
- Drupal core
- CVSS
- 8.8
- EPSS (exploit probability)
- 36.2%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2020-13671 being exploited?
Yes. CISA added CVE-2020-13671 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 36.2% (scored October 17, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-19. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (181 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Drupal Core CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-9082 Drupal Core SQL Injection Vulnerability | [ CRITICAL ] | 9.8 | 15.7% | |
| CVE-2018-7602 Drupal Core Remote Code Execution Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 99.2% | |
| CVE-2019-6340 Drupal Core Remote Code Execution Vulnerability | [ HIGH ] | 8.1 | 92.0% | |
| CVE-2018-7600 Drupal Core Remote Code Execution Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% |