// For flags

CVE-2024-22400

Open redirect in user_saml via RelayState parameter in Nextcloud User Saml

Severity Score

6.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version 5.1.5, 5.2.5, or 6.0.1. There are no known workarounds for this issue.

Nextcloud User Saml es una aplicación para autenticar a los usuarios de Nextcloud mediante SAML. En las versiones afectadas, a los usuarios se les puede proporcionar un enlace al servidor de Nextcloud y terminar en un servidor de terceros no controlado. Se recomienda actualizar la aplicación User Saml a la versión 5.1.5, 5.2.5 o 6.0.1. No se conocen workarounds para este problema.

*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
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2024-01-10 CVE Reserved
  • 2024-01-18 CVE Published
  • 2024-01-27 EPSS Updated
  • 2024-08-01 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nextcloud
Search vendor "Nextcloud"
 Sso \& Saml Authentication
Search vendor "Nextcloud" for product "Sso \& Saml Authentication"
 >= 5.0.0 < 5.1.5
Search vendor "Nextcloud" for product "Sso \& Saml Authentication" and version " >= 5.0.0 < 5.1.5"
-
Affected
Nextcloud
Search vendor "Nextcloud"
 Sso \& Saml Authentication
Search vendor "Nextcloud" for product "Sso \& Saml Authentication"
 >= 5.2.0 < 5.2.5
Search vendor "Nextcloud" for product "Sso \& Saml Authentication" and version " >= 5.2.0 < 5.2.5"
-
Affected
Nextcloud
Search vendor "Nextcloud"
 Sso \& Saml Authentication
Search vendor "Nextcloud" for product "Sso \& Saml Authentication"
 6.0.0
Search vendor "Nextcloud" for product "Sso \& Saml Authentication" and version "6.0.0"
-
Affected