Medium severity · published Nov 15, 2024
CVE-2024-52512
Nextcloud User OIDC has an open redirection when logging in with User OIDC
6.1
CVSS
0.4%
EPSS
No
On KEV
Description
user_oidc app is an OpenID Connect user backend for Nextcloud. A malicious user could send a malformed login link that would redirect the user to a provided URL after successfully authenticating. It is recommended that the Nextcloud User OIDC app is upgraded to 6.1.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
>= 6.0.0, < 6.1.0 · source: vendor
UO
User Oidc · Nextcloud
6.0.0 before 6.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-52512
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-52512
Vendor Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-784j-x2g5-4g7q
Patch
https://github.com/nextcloud/user_oidc/commit/c923428d51972f6d04636c6accbecdec0c1b88e9
Issue Tracking
https://github.com/nextcloud/user_oidc/pull/961
Third Party Advisory
https://hackerone.com/reports/2720030
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