CVE-2016-20026
critical · 9.3ZKTeco 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.
9.3
CVSS
0.8%
EPSS (exploit prob.)
54th
EPSS percentile
2026-03-16
Published
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-798
References
- https://cxsecurity.com/issue/WLB-2016080266
- https://exchange.xforce.ibmcloud.com/vulnerabilities/116484
- https://packetstormsecurity.com/files/138567
- https://www.exploit-db.com/exploits/40324/
- https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-hardcoded-credentials-remote-code-execution
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5362.php
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2016-20026