FKIE_CVE-2020-16134

Vulnerability from fkie_nvd - Published: 2020-08-04 19:15 - Updated: 2024-11-21 05:06
Severity
8.0 (High) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device's plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser.
References
cve@mitre.orghttps://www.swisscom.chVendor Advisory
cve@mitre.orghttps://www.swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2020-16134.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.swisscom.chVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2020-16134.txtVendor Advisory
Impacted products
Vendor Product Version
swisscom internet-box_2_firmware *
swisscom internet-box_2 -
swisscom internet-box_standard_firmware *
swisscom internet-box_standard -
swisscom internet-box_plus_firmware *
swisscom internet-box_plus -
swisscom internet-box_3_firmware *
swisscom internet-box_3 -
swisscom internet-box_light_firmware *
swisscom internet-box_light -
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device\u0027s plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus versiones anteriores a  10.04.38, Internet Box 3 versiones anteriores a 11.01.20 e Internet Box light versiones anteriores a 08.06.06. Dadas las credenciales (configurables por el usuario) para la interfaz Web local o el acceso f\u00edsico al bot\u00f3n plus o reset de un dispositivo, un atacante puede crear un usuario con privilegios elevados en la API Sysbus. Esto puede ser usado para modificar el acceso SSH local o remoto, permitiendo as\u00ed una sesi\u00f3n de inicio de sesi\u00f3n como super usuario"
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  "id": "CVE-2020-16134",
  "lastModified": "2024-11-21T05:06:49.373",
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        "baseSeverity": "HIGH",
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          "accessVector": "ADJACENT_NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.7,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C",
          "version": "2.0"
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        "exploitabilityScore": 5.1,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
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  "published": "2020-08-04T19:15:12.617",
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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

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.