ZKTeco ZKBioSecurity 3.0 contains a user enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by submitting partial characters v…

Code

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No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 16, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2016-20030

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2016-20030

  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 userna

  nvd.nist.gov
• Packet Storm SecurityCited referencehttps://packetstormsecurity.com/files/138573

  Packet Storm link already published on the finding.

  packetstormsecurity.com

References

• Reference · exchange.xforce.ibmcloud.com
• Reference · packetstormsecurity.com
• Reference · vulncheck.com
• Reference · zeroscience.mk