CVE-2016-20030 - ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction

CVE-2016-20030 - ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction

https://cvefeed.io/rssfeed/latest.atom / Sun, 03/15/2026 - 20:07
CVE ID :CVE-2016-20030
Published : March 15, 2026, 1:35 p.m. | 4 hours, 54 minutes ago
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.
Severity: 9.8 | CRITICAL
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.