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CVE-2021-36795

Estado: ModificadaAlta (7.8)—

A permission issue in the Cohesity Linux agent may allow privilege escalation in version 6.5.1b to 6.5.1d-hotfix10, 6.6.0a to 6.6.0b-hotfix1. An underprivileged linux user, if certain environment criteria are met, can gain additional privileges.

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 — Linux Agent

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-36795",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.4,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-06T17:15:07.217",
  "references": [
    {
      "url": "https://github.com/cohesity/SecAdvisory/blob/master/CVE-2021-36795.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/cohesity/SecAdvisory/blob/master/CVE-2021-36795.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-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A permission issue in the Cohesity Linux agent may allow privilege escalation in version 6.5.1b to 6.5.1d-hotfix10, 6.6.0a to 6.6.0b-hotfix1. An underprivileged linux user, if certain environment criteria are met, can gain additional privileges."
    },
    {
      "lang": "es",
      "value": "Un problema de permisos en el agente de Cohesity Linux puede permitir una escalada de privilegios en versiones 6.5.1b hasta 6.5.1d-hotfix10, versiones 6.6.0a hasta 6.6.0b-hotfix1. Un usuario de linux no privilegiado, si se cumplen determinados criterios de entorno, puede alcanzar privilegios adicionales"
    }
  ],
  "lastModified": "2026-06-17T03:59:26.960",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cohesity:linux_agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3FF28919-E44B-4FBF-8E83-2E77E98D920E",
              "versionEndIncluding": "6.5.1d",
              "versionStartIncluding": "6.5.1b"
            },
            {
              "criteria": "cpe:2.3:a:cohesity:linux_agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6DE9BA32-6A83-4641-803A-51755F7C6CA1",
              "versionEndIncluding": "6.6.0b",
              "versionStartIncluding": "6.6.0a"
            },
            {
              "criteria": "cpe:2.3:a:cohesity:linux_agent:6.5.1d:hotfix10:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A6AB9190-07C9-4733-BB9E-BEACC11A35EF"
            },
            {
              "criteria": "cpe:2.3:a:cohesity:linux_agent:6.6.0b:hotfix1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9D293D2D-399B-4364-8A02-0F7CE1560AF8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}