FKIE_CVE-2021-27953

Vulnerability from fkie_nvd - Published: 2021-08-03 15:15 - Updated: 2024-11-21 05:58
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A NULL pointer dereference vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to cause a denial of service, forcing the device to reboot via a crafted HTTP request.
References
cve@mitre.orghttps://www.l9group.com/advisories/remote-denial-of-service-of-ecobee3-liteExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.l9group.com/advisories/remote-denial-of-service-of-ecobee3-liteExploit, Third Party Advisory
Impacted products
Vendor Product Version
ecobee ecobee3_lite_firmware 4.5.81.200
ecobee ecobee3_lite -
To clipboard 

{
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    {
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      "value": "A NULL pointer dereference vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to cause a denial of service, forcing the device to reboot via a crafted HTTP request."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de desrefencia de puntero NULL en el dispositivo ecobee3 lite versi\u00f3n 4.5.81.200, en el proceso de configuraci\u00f3n de HomeKit Wireless Access Control. Un actor de la amenaza puede explotar esta vulnerabilidad para causar una denegaci\u00f3n de servicio, forzando el dispositivo a reiniciar por medio de una petici\u00f3n HTTP dise\u00f1ada"
    }
  ],
  "id": "CVE-2021-27953",
  "lastModified": "2024-11-21T05:58:54.573",
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        "baseSeverity": "HIGH",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
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  "published": "2021-08-03T15:15:08.297",
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}


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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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.



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