CVE-2026-5057

{
  "id": "CVE-2026-5057",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-29T20:17:05.497",
  "lastModified": "2026-10-24T13:10:00.147",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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.\n\nThe 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."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de denegación de servicio por falta de autenticación en RpcProvider de ATEN Unizon. Esta vulnerabilidad permite a atacantes remotos crear una condición de denegación de servicio en instalaciones afectadas de ATEN Unizon. La autenticación no es requerida para explotar esta vulnerabilidad.\n\nLa falla específica existe dentro de la clase RpcProvider. El problema resulta de la falta de autenticación antes de permitir el acceso a la funcionalidad. Un atacante puede aprovechar esta vulnerabilidad para crear una condición de denegación de servicio en el sistema. Fue ZDI-CAN-29041."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "ATEN",
          "product": "Unizon",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "2.6.253.001",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-29T19:39:37.435566Z",
          "id": "CVE-2026-5057",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.aten.com/global/en/supportcenter/info/security-advisory/26/",
      "source": "[email protected]"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-272/",
      "source": "[email protected]"
    }
  ]
}