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CVE-2006-1927

Estado: ModificadaMedia (5)—

Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS-1 or Cisco 12000 series routers, allows remote attackers to cause a denial of service (Line card crash) via certain MPLS packets, as identified by Cisco bug ID CSCsc77475.

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)

Cisco — IOS XR

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2006-1927",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "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": "2006-04-20T18:06:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/19740",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securitytracker.com/id?1015964",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/17607",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/1433",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/25881",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/19740",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1015964",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/17607",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/1433",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/25881",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS-1 or Cisco 12000 series routers, allows remote attackers to cause a denial of service (Line card crash) via certain MPLS packets, as identified by Cisco bug ID CSCsc77475."
    }
  ],
  "lastModified": "2026-06-16T22:23:57.347",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "778F5573-0741-442F-AFFA-937053F8280C"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ADF0D7F5-7A9C-4E58-A9DB-33BF13CE135D"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8D69F8FA-D58A-4F53-86D8-A20C73E9B299"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C46BE68F-FFA9-4DF0-B407-1F5576047B6C"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A88B45F0-B1D1-4680-A29E-2C8A167573D2"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.3:*:crs-1:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FBBD93B6-100E-481D-AE0A-FE65971A2280"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.3:*:prp:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E20FBF42-CC47-40E8-94A4-F6323886151C"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "265062D1-20BB-4B51-9407-AAA8F83A4D08"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.50:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9FDF9D75-6713-427F-A65F-1D59911A410B"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Only systems that are running Cisco IOS XR and configured for MPLS are affected by this vulnerability.",
  "sourceIdentifier": "cve@mitre.org"
}