CVE-2024-22400

Open redirect in user_saml via RelayState parameter in Nextcloud User Saml

CVSS 3.1 LOWEPSS 0.5%CWE-601

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.1EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Jan 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

nextcloud · security-advisories

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References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-622q-xhfr-xmv7 https://github.com/nextcloud/user_saml/commit/b184304a476deeba36e92b70562d5de7c2f85f8a https://github.com/nextcloud/user_saml/pull/788 https://hackerone.com/reports/2263044