CVE-2021-21337

URL Redirection to Untrusted Site ('Open Redirect') in Products.PluggableAuthService

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Products.PluggableAuthService is a pluggable Zope authentication and authorization framework. In Products.PluggableAuthService before version 2.6.0 there is an open redirect vulnerability. A maliciously crafted link to the login form and login functionality could redirect the browser to a different website. The problem has been fixed in version 2.6.1. Depending on how you have installed Products.PluggableAuthService, you should change the buildout version pin to `2.6.1` and re-run the buildout, or if you used `pip` simply do `pip install "Products.PluggableAuthService>=2.6.1".

Products.PluggableAuthService es un framework de autenticación y autorización de Zope conectable. En Products.PluggableAuthService versiones anteriores a 2.6.0, se presenta una vulnerabilidad de redireccionamiento abierto. Un enlace maliciosamente diseñado en el formulario de inicio de sesión y la funcionalidad login podría redireccionar el navegador a un sitio web diferente. El problema ha sido corregido en la versión 2.6.1. Dependiendo de cómo haya instalado Products.PluggableAuthService, debe cambiar el pin de la versión de compilación a "2.6.1" y volver a ejecutar la compilación, o si usó pip simplemente haga la instalación de pip "Products.PluggableAuthService versiones posteriores o iguales a 2.6.1"

Products.PluggableAuthService version 2.6.0 suffers from an open redirection vulnerability.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-22 CVE Reserved
2021-03-08 CVE Published
2021-06-02 First Exploit
2024-08-03 CVE Updated
2024-08-28 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

CAPEC

References (5)

URL	Tag	Source
https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p44j-xrqg-4xrr	Third Party Advisory
https://pypi.org/project/Products.PluggableAuthService	Product

URL	Date	SRC
https://www.exploit-db.com/exploits/49930	2021-06-02
http://packetstormsecurity.com/files/162911/Products.PluggableAuthService-2.6.0-Open-Redirect.html	2024-08-03

URL	Date	SRC
https://github.com/zopefoundation/Products.PluggableAuthService/commit/7eead067898852ebd3e0f143bc51295928528dfa	2022-01-01

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zope Search vendor "Zope"		Products.pluggableauthservice Search vendor "Zope" for product "Products.pluggableauthservice"				< 2.6.1 Search vendor "Zope" for product "Products.pluggableauthservice" and version " < 2.6.1"		-		Affected