FKIE_CVE-2006-1927

Vulnerability from fkie_nvd - Published: 2006-04-20 18:06 - Updated: 2026-06-16 22:23
Severity
Summary
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.
References
cve@mitre.orghttp://secunia.com/advisories/19740
cve@mitre.orghttp://securitytracker.com/id?1015964
cve@mitre.orghttp://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml
cve@mitre.orghttp://www.securityfocus.com/bid/17607
cve@mitre.orghttp://www.vupen.com/english/advisories/2006/1433
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/25881
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19740
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1015964
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/17607
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/1433
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/25881
Impacted products
Vendor Product Version
cisco ios_xr 3.0.1
cisco ios_xr 3.1.0
cisco ios_xr 3.2
cisco ios_xr 3.2.1
cisco ios_xr 3.2.2
cisco ios_xr 3.2.3
cisco ios_xr 3.2.3
cisco ios_xr 3.2.4
cisco ios_xr 3.2.50
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "778F5573-0741-442F-AFFA-937053F8280C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADF0D7F5-7A9C-4E58-A9DB-33BF13CE135D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "8D69F8FA-D58A-4F53-86D8-A20C73E9B299",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "C46BE68F-FFA9-4DF0-B407-1F5576047B6C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A88B45F0-B1D1-4680-A29E-2C8A167573D2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.3:*:crs-1:*:*:*:*:*",
              "matchCriteriaId": "FBBD93B6-100E-481D-AE0A-FE65971A2280",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.3:*:prp:*:*:*:*:*",
              "matchCriteriaId": "E20FBF42-CC47-40E8-94A4-F6323886151C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "265062D1-20BB-4B51-9407-AAA8F83A4D08",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.2.50:*:*:*:*:*:*:*",
              "matchCriteriaId": "9FDF9D75-6713-427F-A65F-1D59911A410B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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."
    }
  ],
  "evaluatorComment": "Only systems that are running Cisco IOS XR and configured for MPLS are affected by this vulnerability.",
  "id": "CVE-2006-1927",
  "lastModified": "2026-06-16T22:23:57.347",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-04-20T18:06:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "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"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.