CVE-2015-1782

Estado: ModificadaMedia (6.8)—

The kex_agree_methods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet.

CVSS

Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Puntuación base: 6.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.50%
Percentil entre todas las CVEs puntuadas: 89
Fecha de la puntuación: 6/10/2026

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 (3)

Debian — Debian Linux Fedoraproject — Fedora Libssh2 — Libssh2

CWE

CWE-20

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2015-1782",
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        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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      "affectedData": [
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          "vendor": "n/a",
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          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2015-03-13T14:59:00.083",
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151943.html",
      "tags": [
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    },
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      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
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      "lang": "en",
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    },
    {
      "lang": "es",
      "value": "La función kex_agree_methods en libssh2 anterior a 1.5.0 permite a servidores remotos causar una denegación de servicio (caída) o tener otro impacto sin especificar a través de valores de longitud modificados en un paquete SSH_MSG_KEXINIT."
    }
  ],
  "lastModified": "2026-06-17T00:22:59.013",
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}