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CVE-2026-9775

MEDIUMCVSS 5.5/10EPSS 1.16%

Last modified

CVE-2026-9775 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of ATEN Unizon. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.0
5.5/10

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

EPSS Probability
1.16%

63.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-9775?
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.
How severe is CVE-2026-9775?
CVE-2026-9775 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.
How do I fix CVE-2026-9775?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-9775?

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Source: NVD / NIST