CVE-2016-20026 — ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code Execution
ZKTeco ZKBioSecurity 3.0 contains hardcoded credentials in the bundled Apache Tomcat server that allow unauthenticated attackers to access the manager application. Attackers can…
Published: 2026-03-15 · CVSS: 9.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7