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CVE-2012-6066

Estado: ModificadaAlta (9.3)—

freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a crafted session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c.

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)

Freesshd — Freesshd

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2012-6066",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-12-04T23:55:01.033",
  "references": [
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0012.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0012.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a crafted session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c."
    },
    {
      "lang": "es",
      "value": "freeSSHd.exe en freeSSHd hasta v1.2.6 permite a atacantes remotos evitar la autenticación a través de una sesión de SFTP manipulada, como lo demuestra un cliente OpenSSH con versiones modificadas de ssh.c y sshconnect2.c."
    }
  ],
  "lastModified": "2026-06-16T23:47:45.653",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:freesshd:freesshd:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6D423F3D-8BED-4345-A575-7FBBC9FCC3A4",
              "versionEndIncluding": "1.2.6"
            },
            {
              "criteria": "cpe:2.3:a:freesshd:freesshd:1.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F810FB16-1D91-4996-BD80-39E5ED9FD951"
            },
            {
              "criteria": "cpe:2.3:a:freesshd:freesshd:1.2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "692CDC66-86C8-437E-A8BE-AEE692C59144"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}