CVE-2026-9774
Description
ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.
The specific flaw exists within the updateLicense method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files or create a denial-of-service condition on the system. Was ZDI-CAN-28502.
Summary dbcve.org
ATEN Unizon contains a directory traversal vulnerability in the updateLicense method. An authenticated attacker can supply a manipulated file path to delete arbitrary files on the system due to insufficient validation of user-supplied paths before file operations.
Mitigation
Apply vendor patches when available. Until then, restrict administrative access to trusted users, implement strict input validation on the updateLicense function, and monitor logs for suspicious file deletion patterns.