Vulnerability · Published Jun 14, 2024 · Assigned by GitHub_M

CVE-2024-37312Nextcloud user_oidc app's ID4me feature is available even when disabled

Medium 6.3

In plain English

A medium-severity improper access control in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.6%top 49.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

user_oidc app is an OpenID Connect user backend for Nextcloud. Missing access control on the ID4me endpoint allows an attacker to register an account eventually getting access to data that is available to all registered users. It is recommended that the OpenID Connect user backend is upgraded to 3.0.0 (Nextcloud 20-23), 4.0.0 (Nexcloud 24) or 5.0.0 (Nextcloud 25-28).

Affected products (as reported)

Vendor	Product	Versions
nextcloud	security-advisories	<= 1.3.6

Weakness: CWE-284 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw7g-959g-vj6q x_refsource_CONFIRM
https://github.com/nextcloud/user_oidc/commit/9f68a716ecd264160a7c098b8840313f1ac855f2 x_refsource_MISC
https://hackerone.com/reports/2376929 x_refsource_MISC