CVE-2024-22400

Name: CVE-2024-22400
Creator: NVD / NIST
Published: 2024-01-18T20:15:08.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2024-22400 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.45%

36.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Nextcloud	Sso \& Saml Authentication	>= 5.0.0, < 5.1.5
Nextcloud	Sso \& Saml Authentication	>= 5.2.0, < 5.2.5
Nextcloud	Sso \& Saml Authentication	6.0.0

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-622q-xhfr-xmv7Vendor Advisory
https://github.com/nextcloud/user_saml/commit/b184304a476deeba36e92b70562d5de7c2f85f8aPatch
https://github.com/nextcloud/user_saml/pull/788Patch
https://hackerone.com/reports/2263044Permissions Required, Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-622q-xhfr-xmv7Vendor Advisory
https://github.com/nextcloud/user_saml/commit/b184304a476deeba36e92b70562d5de7c2f85f8aPatch
https://github.com/nextcloud/user_saml/pull/788Patch
https://hackerone.com/reports/2263044Permissions Required, Third Party Advisory

Timeline

Published: Jan 18, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-22400?

How severe is CVE-2024-22400?

CVE-2024-22400 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2024-22400?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-22400?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST