CVE-2026-9774
ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability.
Does this matter?
Lower severity and a low EPSS score (1.51%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 1.51% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- aten/unizon
- Source
- zdi-disclosures@trendmicro.com
References
- https://www.aten.com/global/en/supportcenter/info/security-advisory/27/Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-26-378/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.