How severe is CVE-2023-32074?

CVE-2023-32074 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-32074 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32074?

CVE-2023-32074 affects Nextcloud User Oidc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32074?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-32074 published?

CVE-2023-32074 was published on 2023-05-25 and last updated on 2026-06-17.

CVE-2023-32074

CVE-2023-32074 is a high-severity vulnerability in Nextcloud User Oidc with a CVSS 3.x base score of 8.0. 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-307.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Nextcloud User Oidc
Published: 2023-05-25
Last modified: 2026-06-17

Description

user_oidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in user_oidc app. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.2

Frequently asked questions

What is CVE-2023-32074?: user_oidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in user_oidc app. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.2
How severe is CVE-2023-32074?: CVE-2023-32074 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-32074 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32074?: CVE-2023-32074 affects Nextcloud User Oidc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32074?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-32074 published?: CVE-2023-32074 was published on 2023-05-25 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-2024-37312 — Medium (CVSS 6.3): user_oidc app is an OpenID Connect user backend for Nextcloud. Missing access control on the ID4me endpoint allows an…
CVE-2024-37886 — Medium (CVSS 5.4): user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into…
CVE-2023-39953 — Medium (CVSS 4.8): user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version…
CVE-2023-28848 — Medium (CVSS 4.8): user_oidc is the OIDC connect user backend for Nextcloud, an open source collaboration platform. A vulnerability in…
CVE-2026-45284 — Medium (CVSS 4.6): Nextcloud is an open source content collaboration platform. From version 1.3.6 to before version 8.4.0, an improper…
CVE-2023-39954 — Low (CVSS 3.8): user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version…

All CVEs affecting Nextcloud User Oidc →

Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities

CVE-2026-6853 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in Başbelen Group Food Cafe Businesses…
CVE-2026-8760 — Critical (CVSS 9.8): The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including,…
CVE-2020-37228 — Critical (CVSS 9.8): iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass…
CVE-2026-33879 — Critical (CVSS 9.8): Federated Learning and Interoperability Platform (FLIP) is an open-source platform for federated training and…
CVE-2026-33640 — Critical (CVSS 9.8): Outline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users…
CVE-2026-31851 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout…

Browse all CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities →