FKIE_CVE-2020-23539

Vulnerability from fkie_nvd - Published: 2021-04-08 17:15 - Updated: 2024-11-21 05:13
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in Realtek rtl8723de BLE Stack <= 4.1 that allows remote attackers to cause a Denial of Service via the interval field to the CONNECT_REQ message.
References
cve@mitre.orghttps://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.mdExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.mdExploit, Third Party Advisory
Impacted products
Vendor Product Version
realtek rtl8723de_firmware *
realtek rtl8723de -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:realtek:rtl8723de_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "76A3478B-FAEE-46EC-80B4-DFF4E9CA8F6F",
              "versionEndIncluding": "4.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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              "matchCriteriaId": "CE9FC82F-61C3-4EF2-A824-06BB4731B550",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
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      "operator": "AND"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Realtek rtl8723de BLE Stack \u003c= 4.1 that allows remote attackers to cause a Denial of Service via the interval field to the CONNECT_REQ message."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en Realtek rtl8723de BLE Stack versiones anteriores a 4.1 incluy\u00e9ndola, que permite a atacantes remotos causar una Denegaci\u00f3n de Servicio por medio del campo de intervalo al mensaje CONNECT_REQ"
    }
  ],
  "id": "CVE-2020-23539",
  "lastModified": "2024-11-21T05:13:51.220",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2021-04-08T17:15:13.157",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "url": "https://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.md"
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    }
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "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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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.