#VU88996 Improper access control in Infinite Scale - CVE-2024-26321

Vulnerability identifier: #VU88996

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-26321

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Infinite Scale
Web applications / Modules and components for CMS

Vendor: ownCloud

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass authentication and gain access to users’ files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Infinite Scale: 4.0.0 - 4.0.5

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External links
https://owncloud.com/security-advisories/authentication-bypass-using-pre-signed-urls/

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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.