CVE-2016-20030

ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction

CVSS 9.3 CRITICALEPSS 0.6%CWE-551

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.

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

Affected products

ZKTeco Inc. · ZKTeco ZKBioSecurity

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References

https://exchange.xforce.ibmcloud.com/vulnerabilities/116485 https://packetstormsecurity.com/files/138573 https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-user-enumeration-via-authloginaction https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5366.php