Information disclosure in Nextcloud Server - CVE-2021-41239
Published: March 14, 2022
Vulnerability identifier: #VU61277
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-41239
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Server
Nextcloud Server
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to User Status API does not consider the user enumeration settings by the administrator. A remote user can gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2021-41239
Install updates from vendor's website.