CVEvulnerability
CVE-2016-20030
9.3 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-03-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 9.3 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-551
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.
Related
Weakness · CWE (1)
- CWE-551 Incorrect Behavior Order: Authorization Before Parsing and Canonicalization weakness
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/116485 exchange.xforce.ibmcloud.com
- https://packetstormsecurity.com/files/138573 packetstormsecurity.com
- https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-user-enumeration-via-authloginaction www.vulncheck.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5366.php www.zeroscience.mk