CVE-2024-22212 Nextcloud global site selector authentication bypass
An authentication bypass in Nextcloud Global Site Selector allows attackers to log in as other users, requiring an upgrade to secure the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-22212?
CVE-2024-22212 is a critical authentication bypass vulnerability in nextcloud security-advisories, published on 18 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Nextcloud Global Site Selector is a tool which allows you to run multiple small Nextcloud instances and redirect users to the right server. A problem in the password verification method allows an attacker to authenticate as another user. It is recommended that the Nextcloud Global Site Selector is upgraded to version 1.4.1, 2.1.2, 2.3.4 or 2.4.5. There are no known workarounds for this issue.
Weakness: CWE-306
Which versions are affected by CVE-2024-22212?
It affects 1 product.
Products include Nextcloud Global Site Selector.
How do I fix CVE-2024-22212?
No fix has been published for CVE-2024-22212 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-22212 being exploited?
There is no known exploitation of CVE-2024-22212 in the wild and no public exploit code.
Sources
Also known as GHSA-vj5q-f63m-wp77.