FKIE_CVE-2019-9555

Vulnerability from fkie_nvd - Published: 2019-03-05 23:29 - Updated: 2024-11-21 04:51
Severity
5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Sagemcom F@st 5260 routers using firmware version 0.4.39, in WPA mode, default to using a PSK that is generated from a 2-part wordlist of known values and a nonce with insufficient entropy. The number of possible PSKs is about 1.78 billion, which is too small.
References
cve@mitre.orghttps://seclists.org/fulldisclosure/2019/Mar/12Mailing List, Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/fulldisclosure/2019/Mar/12Mailing List, Mitigation, Third Party Advisory
Impacted products
Vendor Product Version
sagemcom f\@st_5260_firmware 0.4.39
sagemcom f\@st_5260 -
To clipboard 

{
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    {
      "nodes": [
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              "matchCriteriaId": "FDD531F7-8AD8-4F0C-8372-5E14848174B6",
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            }
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  "descriptions": [
    {
      "lang": "en",
      "value": "Sagemcom F@st 5260 routers using firmware version 0.4.39, in WPA mode, default to using a PSK that is generated from a 2-part wordlist of known values and a nonce with insufficient entropy. The number of possible PSKs is about 1.78 billion, which is too small."
    },
    {
      "lang": "es",
      "value": "Los routers Sagemcom F@st 5260 que emplean firmware en versiones 0.4.39, en modo WPA, emplean por defecto un PSK que se genera a partir de una lista de palabras en dos partes de valores conocidos y un nonce con una entrop\u00eda insuficiente. El n\u00famero de posibles PSK es de 1.78 mil millones, lo que resulta demasiado peque\u00f1o."
    }
  ],
  "id": "CVE-2019-9555",
  "lastModified": "2024-11-21T04:51:51.073",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
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          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.0"
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        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2019-03-05T23:29:02.910",
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      "tags": [
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  "vulnStatus": "Modified",
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          "lang": "en",
          "value": "CWE-331"
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      "source": "nvd@nist.gov",
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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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