Improper Restriction of Excessive Authentication Attempts in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-25820
Published: March 22, 2023
Vulnerability identifier: #VU73916
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-25820
CWE-ID: CWE-307
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Enterprise Server
Nextcloud Server
Nextcloud Enterprise Server
Nextcloud Server
Detailed vulnerability description
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to improper restriction of excessive authentication attempts on password confirmation modal. A local user can brute force the password on the confirmation endpoint.
How to mitigate CVE-2023-25820
Install updates from vendor's website.