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CVE-2021-28648

Estado: ModificadaAlta (7.8)—

Trend Micro Antivirus for Mac 2020 v10.5 and 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could allow an attacker to establish a connection that could lead to full local privilege escalation within the application. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system to exploit this vulnerability.

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)

Trendmicro — Antivirus

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-28648",
  "cveTags": [],
  "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": "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": "security@trendmicro.com",
      "affectedData": [
        {
          "vendor": "Trend Micro",
          "product": "Trend Micro Antivirus for Mac",
          "versions": [
            {
              "status": "affected",
              "version": "2021 (11), 2020 (10.5)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-22T22:15:12.287",
  "references": [
    {
      "url": "https://helpcenter.trendmicro.com/en-us/article/TMKA-10293",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@trendmicro.com"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-420/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@trendmicro.com"
    },
    {
      "url": "https://helpcenter.trendmicro.com/en-us/article/TMKA-10293",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-420/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Trend Micro Antivirus for Mac 2020 v10.5 and 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could allow an attacker to establish a connection that could lead to full local privilege escalation within the application. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system to exploit this vulnerability."
    },
    {
      "lang": "es",
      "value": "Trend Micro Antivirus para Mac 2020 versiones v10.5 y 2021 v11 (Consumidor) es susceptible a una vulnerabilidad de escalada de privilegios de control de acceso inapropiado que podría permitir a un atacante establecer una conexión que podría conllevar a una escalada de privilegios local completa dentro de la aplicación. Tome en cuenta que un atacante primero debe obtener la capacidad de ejecutar código poco privilegiado en el sistema objetivo para explotar esta vulnerabilidad"
    }
  ],
  "lastModified": "2026-06-17T03:46:42.157",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:trendmicro:antivirus:*:*:*:*:*:macos:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DEABD1B5-2F99-4ABA-9481-F0E771DC8C77",
              "versionEndExcluding": "10.5.2088",
              "versionStartIncluding": "10.5"
            },
            {
              "criteria": "cpe:2.3:a:trendmicro:antivirus:*:*:*:*:*:macos:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A456301B-2306-43C1-B00D-F0E0A4260CF7",
              "versionEndExcluding": "11.0.2062",
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          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "security@trendmicro.com"
}