FKIE_CVE-2020-6871

Vulnerability from fkie_nvd - Published: 2020-07-20 18:15 - Updated: 2026-06-17 03:23
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The server management software module of ZTE has an authentication issue vulnerability, which allows users to skip the authentication of the server and execute some commands for high-level users. This affects: <R5300G4V03.08.0100/V03.07.0300/V03.07.0200/V03.07.0108/V03.07.0100/V03.05.0047/V03.05.0046/V03.05.0045/V03.05.0044/V03.05.0043/V03.05.0040/V03.04.0020;R8500G4V03.07.0103/V03.07.0101/V03.06.0100/V03.05.0400/V03.05.0020;R5500G4V03.08.0100/V03.07.0200/V03.07.0100/V03.06.0100>
References
psirt@zte.com.cnhttp://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1013203Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1013203Vendor Advisory
Impacted products
Vendor Product Version
zte r8500g4_firmware 03.05.0020
zte r8500g4_firmware 03.05.0400
zte r8500g4_firmware 03.06.0100
zte r8500g4_firmware 03.07.0101
zte r8500g4_firmware 03.07.0103
zte r8500g4 -
zte r5500g4_firmware 03.06.0100
zte r5500g4_firmware 03.07.0100
zte r5500g4_firmware 03.07.0200
zte r5500g4_firmware 03.08.0100
zte r5500g4 -
zte r5300g4_firmware 03.04.0020
zte r5300g4_firmware 03.05.0040
zte r5300g4_firmware 03.05.0043
zte r5300g4_firmware 03.05.0044
zte r5300g4_firmware 03.05.0045
zte r5300g4_firmware 03.05.0046
zte r5300g4_firmware 03.05.0047
zte r5300g4_firmware 03.07.0100
zte r5300g4_firmware 03.07.0108
zte r5300g4_firmware 03.07.0200
zte r5300g4_firmware 03.07.0300
zte r5300g4_firmware 03.08.0100
zte r5300g4 -
To clipboard 

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            },
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The server management software module of ZTE has an authentication issue vulnerability, which allows users to skip the authentication of the server and execute some commands for high-level users. This affects: \u003cR5300G4V03.08.0100/V03.07.0300/V03.07.0200/V03.07.0108/V03.07.0100/V03.05.0047/V03.05.0046/V03.05.0045/V03.05.0044/V03.05.0043/V03.05.0040/V03.04.0020;R8500G4V03.07.0103/V03.07.0101/V03.06.0100/V03.05.0400/V03.05.0020;R5500G4V03.08.0100/V03.07.0200/V03.07.0100/V03.06.0100\u003e"
    },
    {
      "lang": "es",
      "value": "El m\u00f3dulo del software de administraci\u00f3n del servidor de ZTE presenta una vulnerabilidad de un problema de autenticaci\u00f3n, que permite a usuarios omitir la autenticaci\u00f3n del servidor y ejecutar algunos comandos para usuarios de alto nivel. Esto afecta a las versiones: (R5300G4V03.08.0100/V03.07.0300/ V03.07.0200/V03.07.0108/V03.07.0100/V03.05.0047/V03.05.0046/ V03.05.0045/V03.05.0044/V03.05.0043/V03.05.0040/V03. 04.0020; R8500G4V03.07.0103/V03.07.0101/V03.06.0100/V03.05.0400/ V03.05.0020;R5500G4V03.08.0100/V03.07.0200/V03.07.0100/ V03.06.0100)"
    }
  ],
  "id": "CVE-2020-6871",
  "lastModified": "2026-06-17T03:23:57.310",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
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        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2020-07-20T18:15:12.513",
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    {
      "source": "psirt@zte.com.cn",
      "tags": [
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  "sourceIdentifier": "psirt@zte.com.cn",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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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

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.