ZKTeco ZKBioSecurity 3.0 contains a user enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by submitting partial characters via the username parameter. Attackers can send requests to the authLoginAction!login.do script with varying username inputs to enumerate valid user accounts based on application responses.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 4
https://exchange.xforce.ibmcloud.com/vulnerabilities/116485
disclosure@vulncheck.com
https://packetstormsecurity.com/files/138573
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-user-enumeration-via-…
disclosure@vulncheck.com
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5366.php
disclosure@vulncheck.com