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CVE-2021-36309

Estado: ModificadaMedia (6.5)—

Dell Enterprise SONiC OS, versions 3.3.0 and earlier, contains a sensitive information disclosure vulnerability. An authenticated malicious user with access to the system may use the TACACS\Radius credentials stored to read sensitive information and use it in further attacks.

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)

Dell — Enterprise Sonic OS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-36309",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "Enterprise SONiC OS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "3.4.0",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-01T21:15:08.237",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000191690/DSA-2021-190-Dell-Enterprise-SONiC-OS-Security-Update-for-an-information-disclosure-Vulnerability",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000191690/DSA-2021-190-Dell-Enterprise-SONiC-OS-Security-Update-for-an-information-disclosure-Vulnerability",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-256"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-522"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Enterprise SONiC OS, versions 3.3.0 and earlier, contains a sensitive information disclosure vulnerability. An authenticated malicious user with access to the system may use the TACACS\\Radius credentials stored to read sensitive information and use it in further attacks."
    },
    {
      "lang": "es",
      "value": "Dell Enterprise SONiC OS, versiones 3.3.0 y anteriores, contiene una vulnerabilidad de divulgación de información confidencial. Un usuario malicioso autenticado con acceso al sistema puede usar las credenciales TACACS\\Radius almacenadas para leer información confidencial y usarla en posteriores ataques"
    }
  ],
  "lastModified": "2026-06-17T03:58:38.037",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:enterprise_sonic_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "23724FBF-126F-4F44-B3BC-C04115072EA1",
              "versionEndIncluding": "3.3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}