CVE-2026-9775
MEDIUMATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability
Title source: cnaDescription
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.
References (2)
Core 2
Core References
X_Research Advisory x_research-advisory
ZDI-26-379
https://www.zerodayinitiative.com/advisories/ZDI-26-379/
Vendor Advisory vendor-advisory
vendor-provided URL
https://www.aten.com/global/en/supportcenter/info/security-advisory/28/
Scores
CVSS v3
6.5
EPSS
0.0120
EPSS Percentile
64.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (2)
aten/unizon
< 2.7.264
ATEN/Unizon
2.7.262.002
Published
Jun 24, 2026
Tracked Since
Jun 25, 2026