Improper Authentication in Nextcloud Server - CVE-2021-41179
Published: October 26, 2021
Vulnerability identifier: #VU57655
CSH Severity: Medium
CVSSv4.0: 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-2021-41179
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Nextcloud Server
Nextcloud Server
Software vendor:
Nextcloud
Nextcloud
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the Two-Factor Authentication is not enforced for pages marked as public. A remote authenticated attacker can bypass authentication process and gain unauthorized access to sensitive information.
Remediation
Install updates from vendor's website.