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CVE-2021-28123

Estado: ModificadaCrítica (9.8)—

Undocumented Default Cryptographic Key Vulnerability in Cohesity DataPlatform version 6.3 prior 6.3.1g, 6.4 up to 6.4.1c and 6.5.1 through 6.5.1b. The ssh key can provide an attacker access to the linux system in the affected version.

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)

Cohesity — Cohesity Dataplatform

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-28123",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/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": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-02T15:15:13.270",
  "references": [
    {
      "url": "https://github.com/cohesity/SecAdvisory/blob/master/CVE-2021-28123.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/cohesity/SecAdvisory/blob/master/CVE-2021-28123.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1188"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Undocumented Default Cryptographic Key Vulnerability in Cohesity DataPlatform version 6.3 prior 6.3.1g, 6.4 up to 6.4.1c and 6.5.1 through 6.5.1b. The ssh key can provide an attacker access to the linux system in the affected version."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Clave Criptográfica Predeterminada No Documentada en Cohesity DataPlatform versiones 6.3 anteriores a 6.3.1g, versiones 6.4 hasta 6.4.1cy, versiones 6.5.1 hasta 6.5.1b. La clave ssh puede proporcionar a un atacante acceso al sistema Linux en la versión afectada."
    }
  ],
  "lastModified": "2026-06-17T03:45:50.267",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cohesity:cohesity_dataplatform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "68740ADE-75F1-4DD3-BC0F-2619200D71F7",
              "versionEndExcluding": "6.3.1g",
              "versionStartIncluding": "6.3"
            },
            {
              "criteria": "cpe:2.3:a:cohesity:cohesity_dataplatform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E23D34BE-A8B9-4B51-85C3-F79A784555E2",
              "versionEndExcluding": "6.4.1c",
              "versionStartIncluding": "6.4"
            },
            {
              "criteria": "cpe:2.3:a:cohesity:cohesity_dataplatform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ACAACEC2-0E9E-490A-A928-33E6336F8435",
              "versionEndExcluding": "6.5.1b",
              "versionStartIncluding": "6.5.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}