How severe is CVE-2024-22400?

CVE-2024-22400 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-22400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22400?

CVE-2024-22400 primarily affects Nextcloud Sso & Saml Authentication. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-22400?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-22400 have an EU (EUVD) identifier?

Yes. CVE-2024-22400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19955.

When was CVE-2024-22400 published?

CVE-2024-22400 was published on 2024-01-18 and last updated on 2026-06-17.

CVE-2024-22400

CVE-2024-22400 is a low-severity vulnerability in Nextcloud Sso & Saml Authentication with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19955
Weakness: CWE-601
Affected product: Nextcloud Sso & Saml Authentication
Published: 2024-01-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-22400?: 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.
How severe is CVE-2024-22400?: CVE-2024-22400 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-22400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22400?: CVE-2024-22400 primarily affects Nextcloud Sso & Saml Authentication. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-22400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-22400 have an EU (EUVD) identifier?: Yes. CVE-2024-22400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19955.
When was CVE-2024-22400 published?: CVE-2024-22400 was published on 2024-01-18 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:nextcloud:sso_\&_saml_authentication:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:sso_\&_saml_authentication:6.0.0:*:*:*:*:*:*:*

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