{
  "id": "CVE-2021-35953",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-12-26T06:15:10.457",
  "lastModified": "2023-01-05T21:04:08.813",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker allows a Remote attacker to cause a Denial of Service (device outage) via crafted choices of the last three bytes of a characteristic value."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:fastrack:reflex_2.0_firmware:90.89:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE456490-17F2-47BD-81AD-ECFDC8407571"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:fastrack:reflex_2.0:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9BE152C4-4620-4FDB-A819-DB77BA3C587E"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://payatu.com/advisory/device-crash-fastrack-reflex-two-activity-tracker",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.fastrack.in/shop/watch-smart-wearables-reflex-2",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ]
    }
  ]
}