Vulnerability advisory

CVE-2020-13671

Published Nov 20, 2020Updated Oct 24, 2026OSV record ↗

Also known as BIT-drupal-2020-13671DRUPAL-CORE-2020-012GHSA-68jc-v27h-vhmw

Severity

CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected versions

Repository

Affected commits	Fixed by commit
GIT github.com/drupal/drupal ↗
497914920385b7016ac9c9367e0198530787adf2 to before f941729699e7f49901b30f3aaa71449e44a984c0	`f941729699e7f49901b30f3aaa71449e44a984c0`
f2b59e3ae8097ea01d15c708f1267b73794399c0 to before 4ad29cfc1d1cc51fab880312efa53ca9d0084d60	`4ad29cfc1d1cc51fab880312efa53ca9d0084d60`
a412ca41cfc0d954fe3cb2dd982dc6ca049b1c70 to before afd99c2de06fa374c3c0434cb9efe1e2d5a6dcb3	`afd99c2de06fa374c3c0434cb9efe1e2d5a6dcb3`
d62812dc17ce593beb2ccd4cdbee1a76c95e3fd7 to before edaba481ce445487f669deff5cc012af422dc874	`edaba481ce445487f669deff5cc012af422dc874`
Also listed as affected (51) `7.73` `8.8.10` `8.9.8` `9.0.7` `8.8.9` `8.9.5` `9.0.5` `7.72` `8.9.4` `8.9.3` `9.0.3` `8.9.2` `9.0.2` `7.71` `8.8.7` `8.9.0` `9.0.0` `8.8.5` `8.8.3` `8.8.2` `8.8.0` `7.68` `7.64` `7.61` `7.56` `7.55` `7.54` `7.51` `7.50` `7.43` `7.42` `7.40` `7.37` `7.36` `7.33` `7.30` `7.28` `7.25` `7.23` `7.22` `7.17` `7.15` `7.14` `7.12` `7.10` `7.9` `7.8` `7.7` `7.6` `7.4` `7.0`

Description

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.

CVE-2020-13671

Affected versions

Repository

Description

References