WS-2023-0212
Published:May 31, 2023
Updated:February 23, 2025
Bypass IP detection lead to perform brute-force attack in limesurvey/limesurvey. In login function, by default, the IP address will be blocked when the user tries to login incorrectly more than 3 times but we can bypass this mechanism by abuse X-Forwarded-For header to bypass IP dectection and perform password brute-force.
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Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE