ZKTeco Inc. Vulnerabilities and Affected Products
Vulnerabilities associated with ZKTeco ZKBioSecurity.
Products
Clear product- ZKTeco ZKBioSecurity6 vulnerabilities
- ZKTeco ZKAccess Professional1 vulnerability
- ZKTeco ZKAccess Security System1 vulnerability
- ZKTeco ZKTime.Net1 vulnerability
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2016-20031MEDIUM | ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visLogin.jspZKTeco ZKBioSecurity 3.0 contains a local authorization bypass vulnerability in visLogin.jsp that allows attackers to authenticate without valid credentials by spoofing localhost requests. Attackers can exploit the EnvironmentUtil.getClientIp() method which treats IPv6 loopback address 0:0:0:0:0:0:0:1 as 127.0.0.1 and authenticates using the IP as username with hardcoded password 123456 to access sensitive information and perform unauthorized actions. CWE-798Mar 15, 2026 | CVSS6.8v4.0 | EPSS0.149% | PoCs1 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2016-20030CRITICAL | ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginActionZKTeco 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. CWE-551Mar 15, 2026 | CVSS9.3v4.0 | EPSS0.563% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2016-20029MEDIUM | ZKTeco ZKBioSecurity 3.0 File Path Manipulation VulnerabilityZKTeco ZKBioSecurity 3.0 contains a file path manipulation vulnerability that allows attackers to access arbitrary files by modifying file paths used to retrieve local resources. Attackers can manipulate path parameters to bypass access controls and retrieve sensitive information including configuration files, source code, and protected application resources. CWE-276Mar 15, 2026 | CVSS6.9v4.0 | EPSS0.206% | PoCs1 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2016-20028MEDIUM | ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery SuperadminZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add superadmin accounts without validity checks, enabling unauthorized administrative access when authenticated users visit attacker-controlled pages. CWE-352Mar 15, 2026 | CVSS5.3v4.0 | EPSS0.207% | PoCs1 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2016-20027MEDIUM | ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS VulnerabilitiesZKTeco ZKBioSecurity 3.0 contains multiple reflected cross-site scripting vulnerabilities that allow attackers to execute arbitrary HTML and script code by injecting malicious payloads through unsanitized parameters in multiple scripts. Attackers can craft malicious URLs with XSS payloads in vulnerable parameters to execute scripts in a user's browser session within the context of the affected application. CWE-79Mar 15, 2026 | CVSS5.1v4.0 | EPSS0.248% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2016-20026CRITICAL | ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code ExecutionZKTeco 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. CWE-798Mar 15, 2026 | CVSS9.3v4.0 | EPSS0.78% | PoCs1 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |