Vulnerability-Lookup

FKIE_CVE-2015-6271

Vulnerability from fkie_nvd - Published: 2015-08-31 20:59 - Updated: 2026-06-17 00:30

Severity

Summary

Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008.

References

URL	Tags
psirt@cisco.com	http://tools.cisco.com/security/center/viewAlert.x?alertId=40688	Vendor Advisory
psirt@cisco.com	http://www.securitytracker.com/id/1033410
af854a3a-2127-422b-91ae-364da2661108	http://tools.cisco.com/security/center/viewAlert.x?alertId=40688	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1033410

Impacted products

Vendor	Product	Version
cisco	ios_xe	2.1.0
cisco	ios_xe	2.1.1
cisco	ios_xe	2.1.2
cisco	ios_xe	2.1.3
cisco	ios_xe	2.2.1
cisco	ios_xe	2.2.2
cisco	ios_xe	2.2.3
cisco	ios_xe	2.3.0
cisco	ios_xe	2.3.0t
cisco	ios_xe	2.3.1t
cisco	ios_xe	2.3.2
cisco	ios_xe	2.4.0
cisco	ios_xe	2.4.1
cisco	ios_xe	2.4.2
cisco	ios_xe	2.4.3
cisco	ios_xe	2.5.0
cisco	asr_1001	-
cisco	asr_1001-x	-
cisco	asr_1002	-
cisco	asr_1002-x	-
cisco	asr_1004	-
cisco	asr_1006	-
cisco	asr_1013	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:2.1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C798B993-8521-4C5D-88AF-2D509DBAC2AF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:2.1.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "127BD97D-56A0-4B75-9A19-CC499965B53D",
              "vulnerable": true
            },
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              "matchCriteriaId": "4A1D6AEB-26F3-4BD9-A4CA-3D54CCF158F8",
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            },
            {
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            },
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              "matchCriteriaId": "87B35652-621F-48DB-84FF-E214D42AA799",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "9E216416-E3ED-437D-A725-2297DD86EF3C",
              "vulnerable": true
            },
            {
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            {
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            },
            {
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            {
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              "vulnerable": true
            },
            {
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              "matchCriteriaId": "D1E6D907-4B38-4046-BF4F-C7DFA36F55E4",
              "vulnerable": true
            },
            {
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            },
            {
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        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:cisco:asr_1001:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "ED7C321E-F083-4AB6-96A0-D6358980441E",
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            {
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              "matchCriteriaId": "09C913FF-63D5-43FB-8B39-598EF436BA5A",
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            {
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              "matchCriteriaId": "E4376E56-A21C-4642-A85D-439C8E21CD7F",
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          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en Cisco IOS XE 2.1.0 hasta la versi\u00f3n 2.4.3 y 2.5.0 en dispositivos ASR 1000, cuando se utiliza NAT Application Layer Gateway, permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda de Embedded Services Processor) a trav\u00e9s de un paquete SIP manipulado, tambi\u00e9n conocido como Bug IDs CSCta74749 y CSCta77008."
    }
  ],
  "id": "CVE-2015-6271",
  "lastModified": "2026-06-17T00:30:37.150",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-08-31T20:59:05.217",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40688"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securitytracker.com/id/1033410"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40688"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1033410"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2015-6271 (GCVE-0-2015-6271)

Vulnerability from cvelistv5 – Published: 2015-08-31 20:00 – Updated: 2024-08-06 07:15

Summary

Severity

No CVSS data available.

CWE

Assigner

cisco mitre root

References

2 references

URL	Tags
http://www.securitytracker.com/id/1033410	vdb-entryx_refsource_SECTRACK
http://tools.cisco.com/security/center/viewAlert.…	vendor-advisoryx_refsource_CISCO

Date Public

2015-08-27 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:15:13.302Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "1033410",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1033410"
          },
          {
            "name": "20150827 Cisco ASR 1000 Series Aggregation Services Routers Crafted SIP Packet Denial of Service Vulnerabilities",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40688"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-08-27T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-09-19T09:57:01.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "1033410",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1033410"
        },
        {
          "name": "20150827 Cisco ASR 1000 Series Aggregation Services Routers Crafted SIP Packet Denial of Service Vulnerabilities",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40688"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2015-6271",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008."
            }
          ]
        },
        "problemtype": {
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        "references": {
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            {
              "name": "1033410",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1033410"
            },
            {
              "name": "20150827 Cisco ASR 1000 Series Aggregation Services Routers Crafted SIP Packet Denial of Service Vulnerabilities",
              "refsource": "CISCO",
              "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40688"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2015-6271",
    "datePublished": "2015-08-31T20:00:00.000Z",
    "dateReserved": "2015-08-17T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:15:13.302Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

FKIE_CVE-2015-6271

CVE-2015-6271 (GCVE-0-2015-6271)

Tags

Sightings

Nomenclature

Related by attack behaviour