CVE-2024-22400

Open redirect in user_saml via RelayState parameter in Nextcloud User Saml

3.1 Low

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.45%Up 0.4 points since Jan 24, 2024

What each source reports

CVE List Score used 3.1

Open redirect in user_saml via RelayState parameter in Nextcloud User Saml

Record: CVE-2024-22400
CVSS 3.1: 3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

EUVDEUVD-2024-19955 3.1

Record: EUVD-2024-19955
CVSS 3.1: 3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated: 2026-11-02

NVD 3.1

Record: CVE-2024-22400
CVSS 3.1: 3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

OSV 3.1

Open redirect in user_saml via RelayState parameter in Nextcloud User Saml

Record: CVE-2024-22400
CVSS 3.1: 3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-22400 is a low vulnerability (CVSS 3.1) in Kiteworks Security-advisories, published January 18, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.