ZKTeco ZKBioSecurity 3.0 contains hardcoded credentials in the bundled Apache Tomcat server that allow unauthenticated attackers to access the manager application.

Code

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No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 16, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2016-20026

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2016-20026

  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 co

  nvd.nist.gov
• Packet Storm SecurityCited referencehttps://packetstormsecurity.com/files/138567

  Packet Storm link already published on the finding.

  packetstormsecurity.com

References

• Reference · cxsecurity.com
• Reference · exchange.xforce.ibmcloud.com
• Reference · packetstormsecurity.com
• Reference · exploit-db.com
• Reference · vulncheck.com
• Reference · zeroscience.mk