CVE-2026-5057
HIGHATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability
Title source: cnaDescription
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.
References (2)
Core 2
Core References
X_Research Advisory x_research-advisory
ZDI-26-272
https://www.zerodayinitiative.com/advisories/ZDI-26-272/
Vendor Advisory vendor-advisory
vendor-provided URL
https://www.aten.com/global/en/supportcenter/info/security-advisory/26/
Scores
CVSS v3
7.5
EPSS
0.0048
EPSS Percentile
39.1%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-306
Status
published
Products (1)
ATEN/Unizon
2.6.253.001
Published
Jul 29, 2026
Tracked Since
Jul 30, 2026