CVE-2016-20030
CriticalCVSS 9.8Summary
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.
Risk Assessment
Attackers can exploit this vulnerability to identify valid user accounts, potentially leading to further attacks on the system.
Recommendation
It is recommended to implement mechanisms that limit application responses to invalid login attempts and to monitor login attempts.
Other vulnerabilities in ZKTeco ZKBioSecurity 3.0
See all- CVE-2016-20031Medium
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.
- CVE-2016-20029Medium
ZKTeco ZKBioSecurity 3.0 contains a file path manipulation vulnerability that allows attackers to access arbitrary files by modifying file paths used to retrieve local resources.
- CVE-2016-20028Medium
ZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add superadmin accounts without validity checks, enabling unauthorized administrative access.
- CVE-2016-20027Medium
ZKTeco ZKBioSecurity 3.0 contains multiple reflected XSS vulnerabilities that allow attackers to execute arbitrary HTML and script code by injecting malicious payloads through unsanitized parameters in multiple scripts.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS