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I. Basic Information for CVE-2016-20031
Vulnerability Information

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Vulnerability Title
ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visLogin.jsp
Source: NVD (National Vulnerability Database)
Vulnerability Description
ZKTeco ZKBioSecurity 3.0 contains a local authorization bypass vulnerability in visLogin.jsp that allows attackers to authenticate without valid credentials by spoofing localhost requests. Attackers can exploit the EnvironmentUtil.getClientIp() method which treats IPv6 loopback address 0:0:0:0:0:0:0:1 as 127.0.0.1 and authenticates using the IP as username with hardcoded password 123456 to access sensitive information and perform unauthorized actions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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,该漏洞源于本地授权绕过,可能导致攻击者通过伪造本地主机请求未经有效凭证进行身份验证。
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)
Affected Products
VendorProductAffected VersionsCPESubscribe
ZKTeco Inc.ZKTeco ZKBioSecurity 3.0.1.0_R_230 -
II. Public POCs for CVE-2016-20031
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III. Intelligence Information for CVE-2016-20031
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IV. Related Vulnerabilities
V. Comments for CVE-2016-20031

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