Improper Verification of Cryptographic Signature in Unizon Service - CVE-2026-9779
Published: June 26, 2026
Vulnerability identifier: #VU135529
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-9779
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ATEN
Affected software:
Unizon Service
Unizon Service
Detailed vulnerability description
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to improper verification of cryptographic signature within the updateWar method in the "doCryptoHugeFileToFile" function. A remote administrator can execute arbitrary code on the system.
How to mitigate CVE-2026-9779
Install updates from vendor's website.