CVE-2016-20030— ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction
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I. Basic Information for CVE-2016-20030
Vulnerability Information
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Vulnerability Title
ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction
Source: NVD (National Vulnerability Database)
Vulnerability Description
ZKTeco ZKBioSecurity 3.0 contains a user enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by submitting partial characters via the username parameter. Attackers can send requests to the authLoginAction!login.do script with varying username inputs to enumerate valid user accounts based on application responses.
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
不正确的行为次序：在解析与净化处理之前进行授权
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZKTeco ZKBioSecurity 安全漏洞
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版本存在安全漏洞，该漏洞源于用户枚举，可能导致未经验证攻击者通过提交部分字符发现有效用户名。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ZKTeco Inc. | ZKTeco ZKBioSecurity | 3.0.1.0_R_230 | - |
II. Public POCs for CVE-2016-20030
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Packet Stormexploit
- Zero Science Lab » ZKTeco ZKBioSecurity 3.0 User Enumeration Weaknessthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-20030
Same Patch Batch · ZKTeco Inc. · 2026-03-15 · 9 CVEs total
| CVE-2016-20026 | 9.8 CRITICAL | ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code Execution |
| CVE-2016-20024 | 9.8 CRITICAL | ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation |
| CVE-2016-20025 | 8.8 HIGH | ZKTeco ZKAccess Professional 3.5.3 Privilege Escalation via Insecure Permissions |
| CVE-2016-20032 | 7.2 HIGH | ZKTeco ZKAccess Security System 5.3.1 Stored XSS |
| CVE-2016-20029 | 6.2 MEDIUM | ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerability |
| CVE-2016-20027 | 6.1 MEDIUM | ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilities |
| CVE-2016-20031 | 5.5 MEDIUM | ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visLogin.jsp |
| CVE-2016-20028 | 4.3 MEDIUM | ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin |
IV. Related Vulnerabilities
Same product: ZKTeco ZKBioSecurity
- CVE-2016-20031
ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visL - CVE-2016-20029
ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerabilit - CVE-2016-20028
ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadm - CVE-2016-20027
ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilit - CVE-2016-20026
ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code E
Same vendor: ZKTeco Inc.
- CVE-2016-20032
ZKTeco ZKAccess Security System 5.3.1 Stored XSS - CVE-2016-20031
ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visL - CVE-2016-20029
ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerabilit - CVE-2016-20028
ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadm - CVE-2016-20027
ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilit
Same weakness: CWE-551
- CVE-2026-4636
Keycloak: keycloak: uma policy bypass allows authenticated u - CVE-2026-0707
Keycloak: keycloak authorization header parsing leading to p - CVE-2023-23924
URI validation failure on SVG parsing in Dompdf - CVE-2021-32779
Incorrectly handling of URI '#fragment' element as part of t - CVE-2021-32777
Incorrect concatenation of multiple value request headers in
V. Comments for CVE-2016-20030
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