Drupal Security TeamDRUPAL-SA-CORE-2020-012Drupal core - Critical - Remote code execution - SA-CORE-2020-012
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.012 Low
EPSS
Percentile
85.3%
Update November 18: Documented longer list of dangerous file extensions 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.
References
www.drupal.org/project/drupal/releases/7.74
www.drupal.org/project/drupal/releases/8.8.11
www.drupal.org/project/drupal/releases/8.9.9
www.drupal.org/project/drupal/releases/9.0.8
www.drupal.org/user/102818
www.drupal.org/user/124982
www.drupal.org/user/157725
www.drupal.org/user/17943
www.drupal.org/user/1987218
www.drupal.org/user/240860
www.drupal.org/user/255969
www.drupal.org/user/2582268
www.drupal.org/user/266527
www.drupal.org/user/27985
www.drupal.org/user/3064
www.drupal.org/user/35821
www.drupal.org/user/370574
www.drupal.org/user/391689
www.drupal.org/user/395439
www.drupal.org/user/46549
www.drupal.org/user/49851
www.drupal.org/user/551886
www.drupal.org/user/65776
www.drupal.org/user/680072
www.drupal.org/user/693738
www.drupal.org/user/76245
www.drupal.org/user/78040
www.drupal.org/user/93254
www.drupal.org/user/9910
www.drupal.org/user/99777
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.012 Low
EPSS
Percentile
85.3%