CVE-2026-9775

MEDIUM

ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability

Title source: cna
STIX 2.1

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.

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