CVE-2016-20030: ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2016-20030?
CVE-2016-20030 is considered a medium severity vulnerability due to its potential for user enumeration.
How do I fix CVE-2016-20030?
To fix CVE-2016-20030, implement rate limiting and error handling in the authentication process to prevent enumeration.
What types of attacks can CVE-2016-20030 enable?
CVE-2016-20030 can enable attackers to discover valid usernames, potentially leading to targeted brute force attacks.
Who is affected by CVE-2016-20030?
CVE-2016-20030 impacts users of ZKTeco ZKBioSecurity 3.0 software.
Is authentication necessary to exploit CVE-2016-20030?
No authentication is needed to exploit CVE-2016-20030, making it accessible to unauthenticated attackers.