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CVE-2012-3918

Estado: ModificadaMedia (4.3)—

Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.

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 (4)

Cisco — Catalyst 2900Cisco — Catalyst 2900 VlanCisco — Catalyst 2900xlCisco — IOS

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2012-3918",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-04-23T11:52:59.073",
  "references": [
    {
      "url": "http://www.cisco.com/c/en/us/td/docs/ios/15_3m_and_t/release/notes/15_3m_and_t.pdf",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.cisco.com/c/en/us/td/docs/ios/15_3m_and_t/release/notes/15_3m_and_t.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317."
    },
    {
      "lang": "es",
      "value": "Cisco IOS anterior a 15.3(1)T en dispositivos Cisco 2900, cuando una tarjeta VWIC2-2MFT-T1/E1 está configurada para modo TDM/HDLC, permite a atacantes remotos causar una denegación de servicio (interrupción en la interfaz serie) a través de cierto tráfico Frame Relay, también conocido como Bug ID CSCub13317."
    }
  ],
  "lastModified": "2026-06-16T23:44:05.423",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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              "versionEndIncluding": "15.3\\(3\\)m2"
            },
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              "vulnerable": true,
              "matchCriteriaId": "B870F917-9F35-41AE-8CCA-D8574189C7EC"
            },
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              "vulnerable": true,
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            },
            {
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              "matchCriteriaId": "6E0A47B7-5AD3-4B4C-A2FD-4EE0381B3FCE"
            },
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              "vulnerable": true,
              "matchCriteriaId": "499C6196-2D34-4312-9C3E-B1A6E8D21112"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "AB84CE04-F2D0-4A37-B2BA-25126D1824D8"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:15.3s:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2D105A75-3C37-4B44-8248-6037C98F2F93"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "85876B6F-DE52-4FC2-85E9-3639B2894A90"
            },
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_2900:lre_xl:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E38034CB-72FD-4E96-A3E3-0B555EC54A7D"
            },
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_2900:xl:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5C3745E0-4918-40AD-A219-111DC81CF766"
            },
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_2900_vlan:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "643219DD-5795-48F9-899D-19A27A614F90"
            },
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_2900xl:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "608C95E6-75D1-4A04-83B4-F9785CD25F79"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}