CVE-2021-37626

PHP file inclusion via insert tags

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Contao is an open source CMS that allows you to create websites and scalable web applications. In affected versions it is possible to load PHP files by entering insert tags in the Contao back end. Installations are only affected if they have untrusted back end users who have the rights to modify fields that are shown in the front end. Update to Contao 4.4.56, 4.9.18 or 4.11.7 to resolve. If you cannot update then disable the login for untrusted back end users.

Contao es un CMS de código abierto que permite crear sitios y aplicaciones web escalables. En las versiones afectadas es posible cargar archivos PHP introduciendo etiquetas de inserción en el back-end de Contao. Las instalaciones sólo están afectadas si presentan usuarios de back end no confiables que tengan derechos para modificar los campos que se muestran en el front end. Actualice a Contao versiones 4.4.56, 4.9.18 o 4.11.7 para resolverlo. Si no puede actualizar, desactive el inicio de sesión para usuarios de back end no confiables

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-29 CVE Reserved
2021-08-11 CVE Published
2024-08-04 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

References (2)

URL	Tag	Source
https://github.com/contao/contao/security/advisories/GHSA-r6mv-ppjc-4hgr	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags.html	2021-08-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				>= 4.4.0 < 4.4.56 Search vendor "Contao" for product "Contao" and version " >= 4.4.0 < 4.4.56"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				>= 4.9.0 < 4.9.18 Search vendor "Contao" for product "Contao" and version " >= 4.9.0 < 4.9.18"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				>= 4.11.0 < 4.11.7 Search vendor "Contao" for product "Contao" and version " >= 4.11.0 < 4.11.7"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.0.0 Search vendor "Contao" for product "Contao" and version "4.0.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.1.0 Search vendor "Contao" for product "Contao" and version "4.1.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.2.0 Search vendor "Contao" for product "Contao" and version "4.2.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.3.0 Search vendor "Contao" for product "Contao" and version "4.3.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.5.0 Search vendor "Contao" for product "Contao" and version "4.5.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.6.0 Search vendor "Contao" for product "Contao" and version "4.6.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.7.0 Search vendor "Contao" for product "Contao" and version "4.7.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.8.0 Search vendor "Contao" for product "Contao" and version "4.8.0"		-		Affected
Contao Search vendor "Contao"		Contao Search vendor "Contao" for product "Contao"				4.10.0 Search vendor "Contao" for product "Contao" and version "4.10.0"		-		Affected