How severe is CVE-2024-37886?

CVE-2024-37886 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-37886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-37886?

CVE-2024-37886 affects Nextcloud User Oidc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-37886?

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

Does CVE-2024-37886 have an EU (EUVD) identifier?

Yes. CVE-2024-37886 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36870.

When was CVE-2024-37886 published?

CVE-2024-37886 was published on 2024-06-14 and last updated on 2026-06-17.

CVE-2024-37886

CVE-2024-37886 is a medium-severity vulnerability in Nextcloud User Oidc with a CVSS 3.x base score of 5.4. 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-347.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36870
Weakness: CWE-347
Affected product: Nextcloud User Oidc
Published: 2024-06-14
Last modified: 2026-06-17

Description

user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0.

Frequently asked questions

What is CVE-2024-37886?: user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0.
How severe is CVE-2024-37886?: CVE-2024-37886 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-37886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-37886?: CVE-2024-37886 affects Nextcloud User Oidc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-37886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-37886 have an EU (EUVD) identifier?: Yes. CVE-2024-37886 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36870.
When was CVE-2024-37886 published?: CVE-2024-37886 was published on 2024-06-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nextcloud:user_oidc:*:*:*:*:*:*:*:*

More vulnerabilities in Nextcloud User Oidc

CVE-2023-32074 — High (CVSS 8.0): user_oidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in user_oidc app.…
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