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CVE-2020-37166

Estado: AnalizadaMedia (6.9)—

AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to crash the application. Attackers can overwrite the username field with a 1000-byte buffer, causing the application to become unresponsive and terminate.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-37166",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "automatable": "no"
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          "version": "2.0.3",
          "timestamp": "2026-02-17T16:54:46.369506Z"
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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              "version": "11.12"
            }
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  "published": "2026-02-07T00:15:57.117",
  "references": [
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      "url": "https://www.celestialsoftware.net/",
      "tags": [
        "Product"
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        "VDB Entry"
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      "url": "https://www.vulncheck.com/advisories/absolutetelnet-sshusername-denial-of-service",
      "tags": [
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      "description": [
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          "value": "CWE-120"
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      "lang": "en",
      "value": "AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to crash the application. Attackers can overwrite the username field with a 1000-byte buffer, causing the application to become unresponsive and terminate."
    },
    {
      "lang": "es",
      "value": "AbsoluteTelnet 11.12 contiene una vulnerabilidad de denegación de servicio en el campo de entrada de nombre de usuario SSH2 que permite a atacantes locales colapsar la aplicación. Los atacantes pueden sobrescribir el campo de nombre de usuario con un búfer de 1000 bytes, causando que la aplicación deje de responder y finalice."
    }
  ],
  "lastModified": "2026-06-17T03:17:09.543",
  "configurations": [
    {
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}