GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2011-3273 (GCVE-0-2011-3273)

Vulnerability from cvelistv5 – Published: 2011-10-03 23:00 – Updated: 2024-09-17 03:18
VLAI
Summary
Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.
Severity
No CVSS data available.
CWE
  • n/a
References
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T23:29:56.611Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20110928 Cisco IOS Software IPS and Zone-Based Firewall Vulnerabilities",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=24123"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2011-10-03T23:00:00.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20110928 Cisco IOS Software IPS and Zone-Based Firewall Vulnerabilities",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=24123"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2011-3273",
          "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": "Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20110928 Cisco IOS Software IPS and Zone-Based Firewall Vulnerabilities",
              "refsource": "CISCO",
              "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml"
            },
            {
              "name": "http://tools.cisco.com/security/center/viewAlert.x?alertId=24123",
              "refsource": "CONFIRM",
              "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=24123"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2011-3273",
    "datePublished": "2011-10-03T23:00:00.000Z",
    "dateReserved": "2011-08-29T00:00:00.000Z",
    "dateUpdated": "2024-09-17T03:18:17.256Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-3273",
      "date": "2026-09-16",
      "epss": "0.0177",
      "percentile": "0.77001"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"CF87CC9A-1AF5-4DB4-ACE5-DB938D3B2F84\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.0m:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"3D03374C-7EF0-4455-839E-09CA4F2E85BC\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.0sg:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"58870B6A-55D2-4BFA-89F9-9332205CC130\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.0xa:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"EC6EF56C-032C-43F6-A979-E18BEA0E16A6\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.0xo:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"61D28B5C-F578-47E1-A8AC-A79D8A7F340C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"EB41294E-F3DF-4F1E-A4C8-E90B21A88836\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.1gc:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B8665036-2C40-498A-B022-F6DA288D1581\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.1m:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0F2359A4-8494-4BBA-85E5-C4E66D9362CE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.1s:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"8A9B1D5E-02CA-4949-8ACB-9B40642816B6\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.1t:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"5FAFA073-B16F-475F-B68D-8FE9135AB0A4\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:ios:15.1xb:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"34137E45-7EC0-4350-9F6D-B427CE07D693\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.\"}, {\"lang\": \"es\", \"value\": \"Fallo de memoria en Cisco IOS v15.0 hasta v15.1, cuando un IPS o Cortafuegos Zone-Based (tambi\\u00e9n conocido como ZBFW) es configurado, permite a atacantes remotos provocar una denegaci\\u00f3n de servicio (agotamiento de memoria o ca\\u00edda del dispositivo) a trav\\u00e9s de vectores que disparan varias sesiones de creaci\\u00f3n de hilos, tambi\\u00e9n conocido como Bug ID CSCti79848.\"}]",
      "id": "CVE-2011-3273",
      "lastModified": "2024-11-21T01:30:09.980",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:C\", \"baseScore\": 7.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2011-10-03T23:55:03.673",
      "references": "[{\"url\": \"http://tools.cisco.com/security/center/viewAlert.x?alertId=24123\", \"source\": \"ykramarz@cisco.com\"}, {\"url\": \"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://tools.cisco.com/security/center/viewAlert.x?alertId=24123\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "ykramarz@cisco.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-399\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-3273\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2011-10-03T23:55:03.673\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.\"},{\"lang\":\"es\",\"value\":\"Fallo de memoria en Cisco IOS v15.0 hasta v15.1, cuando un IPS o Cortafuegos Zone-Based (tambi\u00e9n conocido como ZBFW) es configurado, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (agotamiento de memoria o ca\u00edda del dispositivo) a trav\u00e9s de vectores que disparan varias sesiones de creaci\u00f3n de hilos, tambi\u00e9n conocido como Bug ID CSCti79848.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-399\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CF87CC9A-1AF5-4DB4-ACE5-DB938D3B2F84\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.0m:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D03374C-7EF0-4455-839E-09CA4F2E85BC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.0sg:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"58870B6A-55D2-4BFA-89F9-9332205CC130\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.0xa:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EC6EF56C-032C-43F6-A979-E18BEA0E16A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.0xo:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"61D28B5C-F578-47E1-A8AC-A79D8A7F340C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EB41294E-F3DF-4F1E-A4C8-E90B21A88836\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.1gc:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8665036-2C40-498A-B022-F6DA288D1581\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.1m:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0F2359A4-8494-4BBA-85E5-C4E66D9362CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.1s:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8A9B1D5E-02CA-4949-8ACB-9B40642816B6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.1t:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5FAFA073-B16F-475F-B68D-8FE9135AB0A4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios:15.1xb:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"34137E45-7EC0-4350-9F6D-B427CE07D693\"}]}]}],\"references\":[{\"url\":\"http://tools.cisco.com/security/center/viewAlert.x?alertId=24123\",\"source\":\"psirt@cisco.com\"},{\"url\":\"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml\",\"source\":\"psirt@cisco.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://tools.cisco.com/security/center/viewAlert.x?alertId=24123\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…