SB2023101719 - Improper Restriction of Excessive Authentication Attempts in Nextcloud Server and Enterprise Server
Published: October 17, 2023
Security Bulletin ID
SB2023101719
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2023-39960)
CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the number of login attempts is not limited within the WebDAV endpoint. A remote user can perform a brute-force attack.
Remediation
Install update from vendor's website.