ZKTeco ZKBioSecurity 3.0 contains hardcoded credentials in the bundled Apache Tomcat server that allow unauthenticated attackers to access the manager application. Attackers can authenticate with hardcoded credentials stored in tomcat-users.xml to upload malicious WAR archives containing JSP applications and execute arbitrary code with SYSTEM privileges.
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 6
https://cxsecurity.com/issue/WLB-2016080266
disclosure@vulncheck.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/116484
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https://packetstormsecurity.com/files/138567
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https://www.exploit-db.com/exploits/40324/
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https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-hardcoded-credentials…
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https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5362.php
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