Critical severity · published May 25, 2023
CVE-2023-32074
user_oidc app is an OpenID Connect user backend for Nextcloud
9.8
CVSS
0.9%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UO
User Oidc · Nextcloud
before 1.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-32074
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-32074
Vendor Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x8mc-84wj-rf34
Issue Tracking
https://github.com/nextcloud/user_oidc/pull/615
Permissions Required
https://hackerone.com/reports/1954711
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