Vulnerability identifier: #VU85605

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-22212

CWE-ID: CWE-288

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Global Site Selector
Web applications / Modules and components for CMS

Vendor: Nextcloud

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the authentication bypass in the password verification method. A remote attacker can authenticate as another user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Global Site Selector: 1.1.0 - 2.4.4

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External links
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-vj5q-f63m-wp77
http://github.com/nextcloud/globalsiteselector/commit/ab5da57190d5bbc79079ce4109b6bcccccd893ee
http://hackerone.com/reports/2248689

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.