CVE-2026-9775
Received Received - Intake
Directory Traversal in ATEN Unizon Leading to File Deletion

Publication date: 2026-06-24

Last updated on: 2026-06-24

Assigner: Zero Day Initiative

Description
ATEN Unizon uploadSSL 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 uploadSSL 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-28503.
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Meta Information
Published
2026-06-24
Last Modified
2026-06-24
Generated
2026-06-25
AI Q&A
2026-06-25
EPSS Evaluated
N/A
NVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
aten unizon *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
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Executive Summary

This vulnerability exists in the ATEN Unizon product within the uploadSSL method. It is a directory traversal flaw that allows an authenticated remote attacker to delete arbitrary files on the affected system. The root cause is the lack of proper validation of user-supplied file paths before performing file operations, which can be exploited to delete files or cause a denial-of-service condition.

Impact Analysis

If exploited, this vulnerability can allow an attacker with authentication to delete arbitrary files on your system. This could lead to loss of important data or system files, potentially causing a denial-of-service condition that disrupts normal operations.

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