CVE-2020-13671

KEV
Published: Nov 20, 2020 Last Modified: Nov 03, 2025 EU-VD ID: EUVD-2021-2168 Aliases: GHSA-68jc-v27h-vhmw
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: single
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0450
Percentile
0,9th
Updated

EPSS Score Trend (Last 91 Days)

434

Unrestricted Upload of File with Dangerous Type

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: ASP.NET, Not Language-Specific, PHP
Technologies: Web Server
Likelihood of Exploit: Medium
View CWE Details
Application

Drupal by Drupal

Product Information
Vendor Drupal
Product Drupal
Version Range Affected
From 7.0 (inclusive)
To 7.74 (exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

Product Information
Vendor Fedoraproject
Product Fedora
Version 32
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Drupal by Drupal

Product Information
Vendor Drupal
Product Drupal
Version Range Affected
From 8.8.0 (inclusive)
To 8.8.11 (exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Drupal by Drupal

Product Information
Vendor Drupal
Product Drupal
Version Range Affected
From 8.9.0 (inclusive)
To 8.9.9 (exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Drupal by Drupal

Product Information
Vendor Drupal
Product Drupal
Version Range Affected
From 9.0.0 (inclusive)
To 9.0.8 (exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

Product Information
Vendor Fedoraproject
Product Fedora
Version 33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020…
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://www.drupal.org/sa-core-2020-012
https://www.drupal.org/sa-core-2020-012
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-annou…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://www.drupal.org/sa-core-2020-012
https://www.drupal.org/sa-core-2020-012