ZDI-26-272: ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability
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.
AI Analysis
Technical Summary
The ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability (CVE-2026-5057) enables remote attackers to trigger a denial-of-service condition on affected ATEN Unizon installations. The vulnerability stems from the RpcProvider class lacking authentication controls, allowing unauthenticated access to functionality that can disrupt service availability. The Zero Day Initiative assigned this vulnerability a CVSS score of 7.5, indicating a high impact on availability with no impact on confidentiality or integrity. ATEN has issued an official update to remediate this issue.
Potential Impact
Exploitation of this vulnerability results in a denial-of-service condition, impacting the availability of the ATEN Unizon system. No authentication is required, making it accessible to remote attackers. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
ATEN has released an official update that corrects this vulnerability. Applying the vendor-provided patch is the recommended mitigation. No additional action is required if the update has been applied.
ZDI-26-272: ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability (CVE-2026-5057) enables remote attackers to trigger a denial-of-service condition on affected ATEN Unizon installations. The vulnerability stems from the RpcProvider class lacking authentication controls, allowing unauthenticated access to functionality that can disrupt service availability. The Zero Day Initiative assigned this vulnerability a CVSS score of 7.5, indicating a high impact on availability with no impact on confidentiality or integrity. ATEN has issued an official update to remediate this issue.
Potential Impact
Exploitation of this vulnerability results in a denial-of-service condition, impacting the availability of the ATEN Unizon system. No authentication is required, making it accessible to remote attackers. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
ATEN has released an official update that corrects this vulnerability. Applying the vendor-provided patch is the recommended mitigation. No additional action is required if the update has been applied.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-272/","fetched":true,"fetchedAt":"2026-05-26T19:58:36.267Z","wordCount":183}
Threat ID: 6a15fc93e29bf47b5055e086
Added to database: 05/26/2026, 20:03:31 UTC
Last enriched: 07/29/2026, 21:01:51 UTC
Last updated: 07/31/2026, 21:27:07 UTC
Views: 47
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