SB2020012912 - Authentication bypass in Mikrotik RouterOS
Published: January 29, 2020
Security Bulletin ID
SB2020012912
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: N/A)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when loading default router configuration for routers with default admin password and Wireless Wire enabled. A remote attacker on the local network can login with admin account and empty password before the default configuration is fully loaded.
Remediation
Install update from vendor's website.