CVE-2021-3774 (GCVE-0-2021-3774)

Vulnerability from cvelistv5 – Published: 2021-11-05 19:41 – Updated: 2025-04-23 19:24
VLAI?
Title
Meross MSS550X Missing Encryption of Sensitive Data
Summary
Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version
Meross Meross Smart Wi-Fi 2 Way Wall Switch Affected: 0 , ≤ 3.1.3 (custom)
Create a notification for this product.
Credits
Gerard Fuguet Morales
Show details on NVD website

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      "cveMetadata": "{\"cveId\": \"CVE-2021-3774\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-23T19:24:23.318Z\", \"dateReserved\": \"2021-09-06T00:00:00.000Z\", \"assignerOrgId\": \"0cbda920-cd7f-484a-8e76-bf7f4b7f4516\", \"datePublished\": \"2021-11-05T19:41:27.000Z\", \"assignerShortName\": \"INCIBE\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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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Detection rules are retrieved from Rulezet.

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