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CVE-2025-43926

Estado: AnalizadaMedia (6.1)—

An issue was discovered in Znuny through 6.5.14 and 7.x through 7.1.6. Custom AJAX calls to the AgentPreferences UpdateAJAX subaction can be used to set user preferences with arbitrary keys. When fetching user data via GetUserData, these keys and values are retrieved and given as a whole to other function calls, which then might use these keys/values to affect permissions or other settings.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Znuny — Znuny

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-43926",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-43926",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-12T18:30:23.759664Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-05-08T16:15:26.317",
  "references": [
    {
      "url": "https://www.znuny.org/en/advisories/zsa-2025-07",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://znuny.com",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Znuny through 6.5.14 and 7.x through 7.1.6. Custom AJAX calls to the AgentPreferences UpdateAJAX subaction can be used to set user preferences with arbitrary keys. When fetching user data via GetUserData, these keys and values are retrieved and given as a whole to other function calls, which then might use these keys/values to affect permissions or other settings."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en Znuny hasta la versión 6.5.14 y de la 7.x a la 7.1.6. Las llamadas AJAX personalizadas a la subacción AgentPreferences UpdateAJAX permiten configurar las preferencias del usuario con claves arbitrarias. Al obtener datos del usuario mediante GetUserData, estas claves y valores se recuperan y se entregan en conjunto a otras llamadas de función, que podrían usar estas claves/valores para modificar permisos u otras configuraciones."
    }
  ],
  "lastModified": "2026-06-17T09:24:45.560",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:znuny:znuny:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9AE6EEAD-6B04-4C77-B2C5-F3664B3ACBA6",
              "versionEndIncluding": "6.5.14"
            },
            {
              "criteria": "cpe:2.3:a:znuny:znuny:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "56F16A91-751A-457A-9DAE-9B5600B4DE82",
              "versionEndIncluding": "7.1.6",
              "versionStartIncluding": "7.0.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}