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CVE-2021-25651

Estado: ModificadaAlta (7.8)—

A privilege escalation vulnerability was discovered in Avaya Aura Utility Services that may potentially allow a local user to escalate privileges. Affects all 7.x versions of Avaya Aura Utility Services

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)

Avaya — Aura Utility Services

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25651",
  "cveTags": [
    {
      "tags": [
        "unsupported-when-assigned"
      ],
      "sourceIdentifier": "securityalerts@avaya.com"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "securityalerts@avaya.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "securityalerts@avaya.com",
      "affectedData": [
        {
          "vendor": "Avaya",
          "product": "Avaya Aura Utility Services",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "7.1.3.8"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-24T09:15:10.820",
  "references": [
    {
      "url": "https://support.avaya.com/css/P8/documents/101072728",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "securityalerts@avaya.com"
    },
    {
      "url": "https://support.avaya.com/css/P8/documents/101072728",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "securityalerts@avaya.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-250"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A privilege escalation vulnerability was discovered in Avaya Aura Utility Services that may potentially allow a local user to escalate privileges. Affects all 7.x versions of Avaya Aura Utility Services"
    },
    {
      "lang": "es",
      "value": "** NO COMPATIBLE CUANDO SE ASIGNÓ ** Se ha detectado una vulnerabilidad de escalada de privilegios en Avaya Aura Utility Services que podría permitir a un usuario local escalar privilegios. Afecta a todas las versiones 7.x de Avaya Aura Utility Services"
    }
  ],
  "lastModified": "2026-06-17T03:42:17.070",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:avaya:aura_utility_services:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E8D5F626-3A36-409F-B3FE-18A35EC99BAB",
              "versionEndIncluding": "7.1.3",
              "versionStartIncluding": "7.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "securityalerts@avaya.com"
}