#VU85603 Improper Enforcement of Behavioral Workflow in Guests - CVE-2024-22401

Vulnerability identifier: #VU85603

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-22401

CWE-ID: CWE-841

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Guests
Web applications / Modules and components for CMS

Vendor: Nextcloud

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper enforcement of behavioral workflow. A remote user can reset the allowed apps list for Guest App users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Guests: 2.4.0 - 3.0.0

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External links
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wr87-hx3w-29hh
https://github.com/nextcloud/guests/pull/1082
https://hackerone.com/reports/2250398

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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