CVE-2016-20026
Critical · 9.8CVSS
9.8
EPSS
0.8%
Published
Mar 16, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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