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CVE-2021-28646

Estado: ModificadaMedia (5.5)—

An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.

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 (2)

Trendmicro — Apex ONETrendmicro — Officescan

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-28646",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@trendmicro.com",
      "affectedData": [
        {
          "vendor": "Trend Micro",
          "product": "Trend Micro Apex One",
          "versions": [
            {
              "status": "affected",
              "version": "2019, SaaS"
            }
          ]
        },
        {
          "vendor": "Trend Micro",
          "product": "Trend Micro OfficeScan",
          "versions": [
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              "version": "XG SP1"
            }
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  ],
  "published": "2021-04-13T13:15:13.583",
  "references": [
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      "tags": [
        "Vendor Advisory"
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      "source": "security@trendmicro.com"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de permisos de archivo no segura en Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1, podría permitir a un atacante local tomar el control de un archivo de registro específico en las instalaciones afectadas"
    }
  ],
  "lastModified": "2026-06-17T03:46:41.957",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
            {
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              "vulnerable": true,
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            },
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}