CVE-2024-22400 Open redirect in user_saml via RelayState parameter in Nextcloud User Saml
Attackers can redirect users to malicious third-party servers via the RelayState parameter in the Nextcloud User Saml app.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-22400?
CVE-2024-22400 is a low-severity vulnerability in nextcloud security-advisories, published on 18 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-601
Which versions are affected by CVE-2024-22400?
It affects 1 product.
Products include Nextcloud Sso \& Saml Authentication.
How do I fix CVE-2024-22400?
No fix has been published for CVE-2024-22400 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-22400 being exploited?
There is no known exploitation of CVE-2024-22400 in the wild and no public exploit code.
Sources
Also known as GHSA-622q-xhfr-xmv7.