Information disclosure in Nextcloud Richdocuments



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-39223
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Nextcloud Richdocuments
Web applications / Modules and components for CMS

Vendor Nextcloud

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU57651

Risk: Medium

CVSSv4.0: 1.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-39223

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected application returns verbatim exception messages to the user. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nextcloud Richdocuments: 3.8.0 - 4.2.2

CPE2.3 External links

https://github.com/nextcloud/richdocuments/pull/1760
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-rjcc-4cgj-6v93
https://hackerone.com/reports/1253460


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.



###SIDEBAR###