Vulnerability identifier: #VU84544

Vulnerability risk: Low

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

CVE-ID: CVE-2023-48308

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Nextcloud Calendar
Web applications / Modules and components for CMS

Vendor: Nextcloud

Description

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

The vulnerability exists due to uncleared debug information. A remote user can gain access to stacktrace and internal paths of the server when generating an exception while editing a calendar appointment.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nextcloud Calendar: 3.0.0

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External links
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-fv3c-qvjr-5rv8

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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.