CVE-2026-9775CWE-22

ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability

Medium · published June 24, 2026

CVSS v3.0
5.5
EPSS
2%
Percentile
74.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
5.5 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.01514 · 74.3th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-06-24T21:36Z
EPSS history
Timeline
  • 24 JUN 21:36Z
    ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability
    cvelistv5