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CVE-2014-3295

Status: ModifiedMedium (4.8)—

The HSRP implementation in Cisco NX-OS 6.2(2a) and earlier allows remote attackers to bypass authentication and cause a denial of service (group-member state modification and traffic blackholing) via malformed HSRP packets, aka Bug ID CSCup11309.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2014-3295",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.8,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "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": "2014-06-14T04:26:47.173",
  "references": [
    {
      "url": "http://secunia.com/advisories/59158",
      "tags": [
        "Permissions Required"
      ],
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    },
    {
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      "tags": [
        "Vendor Advisory"
      ],
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    },
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      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
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      "tags": [
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      "source": "psirt@cisco.com"
    },
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-287"
        }
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      "value": "The HSRP implementation in Cisco NX-OS 6.2(2a) and earlier allows remote attackers to bypass authentication and cause a denial of service (group-member state modification and traffic blackholing) via malformed HSRP packets, aka Bug ID CSCup11309."
    },
    {
      "lang": "es",
      "value": "La implementación HSRP en Cisco NX-OS 6.2(2a) y anteriores permite a atacantes remotos evadir autenticación y causar una denegación de servicio (modificación del estado de pertenencia a un grupo y redirección de trafico hacia un 'agujero negro' -blackhole-) a través de paquetes HSRP malformados, también conocido como Bug ID CSCup11309."
    }
  ],
  "lastModified": "2026-06-17T00:07:56.417",
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}