FKIE_CVE-2020-12638

Vulnerability from fkie_nvd - Published: 2020-07-23 16:15 - Updated: 2024-11-21 04:59
Severity ?
6.8 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTOS_SDK devices through 3.3. Broadcasting forged beacon frames forces a device to change its authentication mode to OPEN, effectively disabling its 802.11 encryption.
References
cve@mitre.orghttps://github.com/espressif/ESP8266_NONOS_SDKThird Party Advisory
cve@mitre.orghttps://github.com/espressif/ESP8266_RTOS_SDKThird Party Advisory
cve@mitre.orghttps://github.com/espressif/esp-idfThird Party Advisory
cve@mitre.orghttps://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessorsExploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/espressif/ESP8266_NONOS_SDKThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/espressif/ESP8266_RTOS_SDKThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/espressif/esp-idfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessorsExploit, Patch, Third Party Advisory
Impacted products
Vendor Product Version
espressif esp-idf *
espressif esp8266_nonos_sdk *
espressif esp8266_rtos_sdk *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1C54B320-683C-4645-86DC-65CE4FA1EAB4",
              "versionEndIncluding": "4.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:espressif:esp8266_nonos_sdk:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "94531964-D549-418B-B85B-3B749B9F365D",
              "versionEndIncluding": "3.0.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:espressif:esp8266_rtos_sdk:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "27E60BB2-BAC0-4582-8EEF-D89EB874DF17",
              "versionEndIncluding": "3.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTOS_SDK devices through 3.3. Broadcasting forged beacon frames forces a device to change its authentication mode to OPEN, effectively disabling its 802.11 encryption."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema de omisi\u00f3n de cifrado en dispositivos Espressif ESP-IDF versiones hasta 4.2, dispositivos ESP8266_NONOS_SDK versiones hasta 3.0.3 y dispositivos ESP8266_RTOS_SDK versiones hasta 3.3. La transmisi\u00f3n de tramas beacon forjadas obliga a un dispositivo a cambiar su modo de autenticaci\u00f3n a OPEN, deshabilitando efectivamente su encriptaci\u00f3n 802.11"
    }
  ],
  "id": "CVE-2020-12638",
  "lastModified": "2024-11-21T04:59:57.530",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:A/AC:M/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 5.5,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-07-23T16:15:12.490",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/espressif/ESP8266_NONOS_SDK"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/espressif/ESP8266_RTOS_SDK"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/espressif/esp-idf"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/espressif/ESP8266_NONOS_SDK"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/espressif/ESP8266_RTOS_SDK"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/espressif/esp-idf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        },
        {
          "lang": "en",
          "value": "CWE-319"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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