CVE-2026-5057
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
Vulnerability in ATEN Unizon RpcProvider allows a remote attacker to cause a denial-of-service (DoS) without authentication. Lack of authentication before accessing RpcProvider functionality enables system overload.
Risk Assessment
The organization is at risk of service interruptions in the ATEN Unizon system, potentially disrupting critical business processes.
Recommendation
Apply the patch provided by ATEN for vulnerability ZDI-CAN-29041 immediately.
Other vulnerabilities in ATEN Unizon
See all- CVE-2026-9778High
A directory traversal vulnerability in the ImportDeviceList method of ATEN Unizon allows remote code execution. The issue stems from improper validation of a user-supplied path before using it in file operations. Authentication is required for exploitation.
- CVE-2026-9776High
A Directory Traversal vulnerability in the writeFileToHttpServletResponse method in ATEN Unizon allows remote attackers to disclose sensitive information without authentication. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations.
- CVE-2026-9774Medium
The vulnerability in the updateLicense method of ATEN Unizon software allows a remote authenticated attacker to delete arbitrary files on the system. The issue stems from the lack of proper validation of a user-supplied path before using it in file operations.
Original NVD description (English source)
ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of ATEN Unizon. Authentication is not required to exploit this vulnerability. The specific flaw exists within the RpcProvider class. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-29041.