FKIE_CVE-2021-34600

Vulnerability from fkie_nvd - Published: 2022-01-20 12:15 - Updated: 2024-11-21 06:10
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Telenot CompasX versions prior to 32.0 use a weak seed for random number generation leading to predictable AES keys used in the NFC tags used for local authorization of users. This may lead to total loss of trustworthiness of the installation.
References
info@cert.vde.comhttps://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/Exploit, Third Party Advisory
Impacted products
Vendor Product Version
telenot compasx *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:telenot:compasx:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F1FA52CE-8A90-48A1-A922-26DCF9C0BC5D",
              "versionEndExcluding": "32.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Telenot CompasX versions prior to 32.0 use a weak seed for random number generation leading to predictable AES keys used in the NFC tags used for local authorization of users. This may lead to total loss of trustworthiness of the installation."
    },
    {
      "lang": "es",
      "value": "Las versiones de Telenot CompasX anteriores a la 32.0 utilizan una semilla d\u00e9bil para la generaci\u00f3n de n\u00fameros aleatorios, lo que hace que las claves AES utilizadas en las etiquetas NFC para la autorizaci\u00f3n local de los usuarios sean predecibles. Esto puede llevar a la p\u00e9rdida total de la fiabilidad de la instalaci\u00f3n"
    }
  ],
  "id": "CVE-2021-34600",
  "lastModified": "2024-11-21T06:10:47.507",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "info@cert.vde.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Secondary"
      }
    ]
  },
  "published": "2022-01-20T12:15:08.240",
  "references": [
    {
      "source": "info@cert.vde.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/"
    }
  ],
  "sourceIdentifier": "info@cert.vde.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-335"
        }
      ],
      "source": "info@cert.vde.com",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-335"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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