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TI-2020-10731 Aliases CVE-2020-13671GHSA-68jc-v27h-vhmw

Unrestricted file upload in Drupal Core

Priority CRITICAL 97Exploited in the wildCWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-434.

Summary

Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.

Why it matters now

Exploitation Active In CISA KEV since 2022-01-18CISA due date 2022-07-18
EPSS 0.36167 98th percentileScored 2026-11-07
Fix Fixed drupal/core (Packagist): 9.0.8, 8.9.9, 8.8.11 +1drupal/drupal (Packagist): 7.74, 8.8.11, 8.9.9 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DrupalDrupal Core9.0 versions prior to 9.0.8; 8.9 versions prior to 8.9.9; 8.8 versions prior to 8.8.11; 7 versions prior to 7.74—No fix listedCNA
—drupal/core (Packagist)9.0.0 to before 9.0.89.0.8Patch availableGHSA-68jc-v27h-vhmw
—drupal/core (Packagist)8.9.0 to before 8.9.98.9.9Patch availableGHSA-68jc-v27h-vhmw
—drupal/core (Packagist)8.0.0 to before 8.8.118.8.11Patch availableGHSA-68jc-v27h-vhmw
—drupal/core (Packagist)7.0.0 to before 7.747.74Patch availableGHSA-68jc-v27h-vhmw
—drupal/drupal (Packagist)7.0.0 to before 7.747.74Patch availableGHSA-68jc-v27h-vhmw
—drupal/drupal (Packagist)8.0.0 to before 8.8.118.8.11Patch availableGHSA-68jc-v27h-vhmw
—drupal/drupal (Packagist)8.9.0 to before 8.9.98.9.9Patch availableGHSA-68jc-v27h-vhmw
—drupal/drupal (Packagist)9.0.0 to before 9.0.89.0.8Patch availableGHSA-68jc-v27h-vhmw
  • Drupal Core VendorDrupal Affected 9.0 versions prior to 9.0.8; 8.9 versions prior to 8.9.9; 8.8 versions prior to 8.8.11; 7 versions prior to 7.74 Fixed in — No fix listed CNA
  • drupal/core (Packagist) Vendor— Affected 9.0.0 to before 9.0.8 Fixed in 9.0.8 Patch available GHSA-68jc-v27h-vhmw
  • drupal/core (Packagist) Vendor— Affected 8.9.0 to before 8.9.9 Fixed in 8.9.9 Patch available GHSA-68jc-v27h-vhmw
  • drupal/core (Packagist) Vendor— Affected 8.0.0 to before 8.8.11 Fixed in 8.8.11 Patch available GHSA-68jc-v27h-vhmw
  • drupal/core (Packagist) Vendor— Affected 7.0.0 to before 7.74 Fixed in 7.74 Patch available GHSA-68jc-v27h-vhmw
  • drupal/drupal (Packagist) Vendor— Affected 7.0.0 to before 7.74 Fixed in 7.74 Patch available GHSA-68jc-v27h-vhmw
  • drupal/drupal (Packagist) Vendor— Affected 8.0.0 to before 8.8.11 Fixed in 8.8.11 Patch available GHSA-68jc-v27h-vhmw
  • drupal/drupal (Packagist) Vendor— Affected 8.9.0 to before 8.9.9 Fixed in 8.9.9 Patch available GHSA-68jc-v27h-vhmw
  • drupal/drupal (Packagist) Vendor— Affected 9.0.0 to before 9.0.8 Fixed in 9.0.8 Patch available GHSA-68jc-v27h-vhmw

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*7.0 to before 7.74; 8.8.0 to before 8.8.11; 8.9.0 to before 8.9.9; 9.0.0 to before 9.0.8VulnerableDrupal
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
  • cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* Versions 7.0 to before 7.74; 8.8.0 to before 8.8.11; 8.9.0 to before 8.9.9; 9.0.0 to before 9.0.8 Vulnerable ·Drupal
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject

Remediation

  • Fix · GHSA-68jc-v27h-vhmw drupal/core (Packagist) Fixed in 9.0.8 Advisory →
  • Fix · GHSA-68jc-v27h-vhmw drupal/core (Packagist) Fixed in 8.9.9 Advisory →
  • Fix · GHSA-68jc-v27h-vhmw drupal/core (Packagist) Fixed in 8.8.11 Advisory →
  • Fix · GHSA-68jc-v27h-vhmw drupal/core (Packagist) Fixed in 7.74 Advisory →
  • Fix · GHSA-68jc-v27h-vhmw drupal/drupal (Packagist) Fixed in 7.74 Advisory →
  • Fix · GHSA-68jc-v27h-vhmw drupal/drupal (Packagist) Fixed in 8.8.11 Advisory →
  • Fix · GHSA-68jc-v27h-vhmw drupal/drupal (Packagist) Fixed in 8.9.9 Advisory →
  • Fix · GHSA-68jc-v27h-vhmw drupal/drupal (Packagist) Fixed in 9.0.8 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2022-01-18 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2020-13671
  3. 2026-10-03 Alias added: GHSA-68jc-v27h-vhmw

References

Advisory 4

Other 8

  • TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
  • TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
  • TI-2020-18513 Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal… KEVCVSS 3.1HIGH 7.5
See all 278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences