FKIE_CVE-2021-42849

Vulnerability from fkie_nvd - Published: 2022-05-18 16:15 - Updated: 2026-06-17 04:10
Severity
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical access.
References
psirt@lenovo.comhttps://iknow.lenovo.com.cn/detail/dc_200017.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://iknow.lenovo.com.cn/detail/dc_200017.htmlVendor Advisory
Impacted products
Vendor Product Version
lenovo a1_firmware *
lenovo a1 -
lenovo t1_firmware *
lenovo t1 -
lenovo x1_firmware *
lenovo x1 -
lenovo t2_firmware *
lenovo t2 -
lenovo t2pro_firmware *
lenovo t2pro -
To clipboard 

{
  "affected": [
    {
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        {
          "product": "Personal Cloud Storage A1",
          "vendor": "Lenovo",
          "versions": [
            {
              "lessThan": "5.3.6.a1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Personal Cloud Storage T1",
          "vendor": "Lenovo",
          "versions": [
            {
              "lessThan": "5.3.6.t1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Personal Cloud Storage X1",
          "vendor": "Lenovo",
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            {
              "lessThan": "5.3.8.x1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Personal Cloud Storage T2",
          "vendor": "Lenovo",
          "versions": [
            {
              "lessThan": "5.3.8.t2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Personal Cloud Storage T2Pro",
          "vendor": "Lenovo",
          "versions": [
            {
              "lessThan": "5.3.7.t2-pro",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "psirt@lenovo.com"
    }
  ],
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              "versionEndExcluding": "5.3.6.a1",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical access."
    },
    {
      "lang": "es",
      "value": "En algunos dispositivos Lenovo Personal Cloud Storage fue notificado una contrase\u00f1a d\u00e9bil por defecto para el puerto serie que podr\u00eda permitir el acceso no autorizado al dispositivo a un atacante con acceso f\u00edsico"
    }
  ],
  "id": "CVE-2021-42849",
  "lastModified": "2026-06-17T04:10:12.057",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.9,
        "source": "psirt@lenovo.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-05-18T16:15:08.247",
  "references": [
    {
      "source": "psirt@lenovo.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://iknow.lenovo.com.cn/detail/dc_200017.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://iknow.lenovo.com.cn/detail/dc_200017.html"
    }
  ],
  "sourceIdentifier": "psirt@lenovo.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ],
      "source": "psirt@lenovo.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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