FKIE_CVE-2021-20732

Vulnerability from fkie_nvd - Published: 2021-06-09 02:15 - Updated: 2026-06-17 03:34
Severity
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
The ATOM (ATOM - Smart life App for Android versions prior to 1.8.1 and ATOM - Smart life App for iOS versions prior to 1.8.2) does not verify server certificate properly, which allows man-in-the-middle attackers to eavesdrop on encrypted communication via a crafted certificate.
References
vultures@jpcert.or.jphttps://jvn.jp/en/jp/JVN64064138/index.htmlThird Party Advisory
vultures@jpcert.or.jphttps://www.atomtech.co.jp/news/news/2055/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN64064138/index.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.atomtech.co.jp/news/news/2055/Vendor Advisory
Impacted products
Vendor Product Version
atomtech smart_life *
atomtech smart_life *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "ATOM",
          "vendor": "ATOM tech Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "ATOM - Smart life App for Android versions prior to 1.8.1 and ATOM - Smart life App for iOS versions prior to 1.8.2"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:atomtech:smart_life:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "94F767A0-E746-4ED9-B6C9-C95D3C58099B",
              "versionEndExcluding": "1.8.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:atomtech:smart_life:*:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "DAEF5077-302D-4020-B885-F3D2FFE16175",
              "versionEndExcluding": "1.8.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ATOM (ATOM - Smart life App for Android versions prior to 1.8.1 and ATOM - Smart life App for iOS versions prior to 1.8.2) does not verify server certificate properly, which allows man-in-the-middle attackers to eavesdrop on encrypted communication via a crafted certificate."
    },
    {
      "lang": "es",
      "value": "ATOM (ATOM - Smart life App para versiones de Android anteriores a 1.8.1 y ATOM - Smart life App para versiones de iOS anteriores a 1.8.2) no verifica apropiadamente el certificado del servidor, permitiendo a atacantes de tipo man-in-the-middle espiar sobre la comunicaci\u00f3n cifrada por medio de un certificado dise\u00f1ado"
    }
  ],
  "id": "CVE-2021-20732",
  "lastModified": "2026-06-17T03:34:20.253",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-09T02:15:06.817",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN64064138/index.html"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.atomtech.co.jp/news/news/2055/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN64064138/index.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.atomtech.co.jp/news/news/2055/"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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