« Volver al listado

CVE-2015-3644

Estado: ModificadaMedia (5.8)—

Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication.

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)

Stunnel — Stunnel

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2015-3644",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "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": "2015-05-14T00:59:06.147",
  "references": [
    {
      "url": "http://www.debian.org/security/2015/dsa-3299",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/74659",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1032324",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.stunnel.org/CVE-2015-3644.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3299",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/74659",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1032324",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.stunnel.org/CVE-2015-3644.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication."
    },
    {
      "lang": "es",
      "value": "Stunnel 5.00 hasta 5.13, cuando utiliza la opción de redirección, no redirige las conexiones de clientes al servidor esperado después de la conexión inicial, lo que permite a atacantes remotos evadir la autenticación."
    }
  ],
  "lastModified": "2026-06-17T00:26:02.117",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.00:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "86A9A9F5-B193-44DC-88EF-D0409AB2CD42"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.01:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4AD482D3-F96B-41EB-BEF2-ED59A2B2E77B"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.02:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "79CCAF8F-FAB6-40B5-8752-0E5AA6CDC0CD"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.03:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "59AE589F-7747-4F46-A58F-608AB7110B46"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.04:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "14F8AE5A-BCBB-4F41-862D-D930CAA67B61"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.05:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E881D0A8-5BA1-41FC-9743-262CAB3BCD08"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.06:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5636BFAF-4A5C-4002-B6BB-75B6F6BD534D"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.07:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C9B042A1-00CF-40CD-BAA2-1E2FFBE6FEE6"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.08:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "26F8ECBC-35ED-4736-9EA3-E439747E4249"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.09:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5A40647D-D3F4-4BB8-9A20-66366E330EF4"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D933945A-4FFE-4A90-B5A7-D375E36F5D90"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.11:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9B9E126F-CC19-4C4D-BB98-D4A21D7B84C0"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.12:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "60862632-E37E-40D4-8153-FE82CFD0E011"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:5.13:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D2774924-2867-42CF-AFFB-996809126E31"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}