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CVE-2016-20026— ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code Execution

CVSS 9.8 · Critical EPSS 0.07% · P22
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I. Basic Information for CVE-2016-20026

Vulnerability Information
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Vulnerability Title
ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code Execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用硬编码的凭证
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZKTeco ZKBioSecurity 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZKTeco ZKBioSecurity是中国ZKTeco公司的一个基于 Web 的一体式平台。 ZKTeco ZKBioSecurity 3.0版本存在信任管理问题漏洞，该漏洞源于硬编码凭证，可能导致未经验证攻击者访问管理器应用程序上传恶意WAR存档执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

VendorProductAffected VersionsCPESubscribe
ZKTeco Inc.ZKTeco ZKBioSecurity 3.0.1.0_R_230 -

II. Public POCs for CVE-2016-20026

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III. Intelligence Information for CVE-2016-20026

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Same Patch Batch · ZKTeco Inc. · 2026-03-15 · 9 CVEs total

CVE-2016-200309.8 CRITICALZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction
CVE-2016-200249.8 CRITICALZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation
CVE-2016-200258.8 HIGHZKTeco ZKAccess Professional 3.5.3 Privilege Escalation via Insecure Permissions
CVE-2016-200327.2 HIGHZKTeco ZKAccess Security System 5.3.1 Stored XSS
CVE-2016-200296.2 MEDIUMZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerability
CVE-2016-200276.1 MEDIUMZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilities
CVE-2016-200315.5 MEDIUMZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visLogin.jsp
CVE-2016-200284.3 MEDIUMZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin

IV. Related Vulnerabilities

Same product: ZKTeco ZKBioSecurity
Same vendor: ZKTeco Inc.
Same weakness: CWE-798

V. Comments for CVE-2016-20026

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