Vulnerability details
CVE-2026-5057
ATEN Unizon
ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability
CVSS 3.0
7.5High
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.0 | CVEProject cvelistV5 (CNA) (zdi) | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| ATEN | Unizon | 2.6.253.001 | CVEProject cvelistV5 (CNA) |
References and advisories
2- https://www.zerodayinitiative.com/advisories/ZDI-26-272/ x_research-advisory
- https://www.aten.com/global/en/supportcenter/info/security-advisory/26/ vendor-advisory
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Details
- Published
- 2026-07-29
- Last updated
- 2026-07-29
- State
- Published
- Assigner (CNA)
- zdi
Exploit prediction (EPSS)
0.73%
Probability of exploitation in 30 days
54.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-306Missing Authentication for Critical Function