CVE-2024-22212

Name: CVE-2024-22212
Creator: NVD / NIST
Published: 2024-01-18T19:15:10.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2024-22212 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.76%

50.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Nextcloud	Global Site Selector	>= 1.1.0, < 1.4.1
Nextcloud	Global Site Selector	>= 2.0.0, < 2.1.2
Nextcloud	Global Site Selector	>= 2.2.0, < 2.3.4
Nextcloud	Global Site Selector	>= 2.4.0, < 2.4.5

References

https://github.com/nextcloud/globalsiteselector/commit/ab5da57190d5bbc79079ce4109b6bcccccd893eePatch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vj5q-f63m-wp77Patch, Vendor Advisory
https://hackerone.com/reports/2248689Issue Tracking, Third Party Advisory
https://github.com/nextcloud/globalsiteselector/commit/ab5da57190d5bbc79079ce4109b6bcccccd893eePatch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vj5q-f63m-wp77Patch, Vendor Advisory
https://hackerone.com/reports/2248689Issue Tracking, Third Party Advisory

Timeline

Published: Jan 18, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-22212?

How severe is CVE-2024-22212?

CVE-2024-22212 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2024-22212?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-22212?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST