#VU55328 Missing Authorization in Nextcloud Richdocuments - CVE-2021-32748

Vulnerability identifier: #VU55328

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-2021-32748

CWE-ID: CWE-862

Exploitation vector: Network

Exploit availability: No

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

Vendor: Nextcloud

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due to the missing authorization. A remote attacker can gain access to privileged information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nextcloud Richdocuments: before 3.8.3

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External links
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-24x8-h6m2-9jf2/

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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.