Insecure access control in ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read sensitive backup files and access sensitive information such as user credentials via sending a crafted HTTP request to the static files resources of the system.

A path traversal vulnerability in ZKTeco BioTime v8.5.5 allows attackers to write arbitrary files via using a malicious SFTP configuration.

A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload.

An issue in a hidden API in ZKTeco BioTime v8.5.5 allows unauthenticated attackers to arbitrarily reset the Administrator password via a crafted web request.

ZKTeco BioTime 8.5.4 is missing authentication on folders containing employee photos, allowing an attacker to view them through filename enumeration.