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

CVE-2011-2039 (GCVE-0-2011-2039)

Vulnerability from cvelistv5 – Published: 2011-06-02 19:00 – Updated: 2024-08-06 22:46
VLAI
Summary
The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://osvdb.org/72714 vdb-entryx_refsource_OSVDB
http://www.cisco.com/en/US/products/products_secu… vendor-advisoryx_refsource_CISCO
http://securityreason.com/securityalert/8272 third-party-advisoryx_refsource_SREASON
http://www.securitytracker.com/id?1025591 vdb-entryx_refsource_SECTRACK
http://www.kb.cert.org/vuls/id/490097 third-party-advisoryx_refsource_CERT-VN
http://labs.idefense.com/intelligence/vulnerabili… third-party-advisoryx_refsource_IDEFENSE
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
Date Public
2011-06-01 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T22:46:00.841Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "72714",
            "tags": [
              "vdb-entry",
              "x_refsource_OSVDB",
              "x_transferred"
            ],
            "url": "http://osvdb.org/72714"
          },
          {
            "name": "20110601 Multiple Vulnerabilities in Cisco AnyConnect Secure Mobility Client",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml"
          },
          {
            "name": "8272",
            "tags": [
              "third-party-advisory",
              "x_refsource_SREASON",
              "x_transferred"
            ],
            "url": "http://securityreason.com/securityalert/8272"
          },
          {
            "name": "1025591",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id?1025591"
          },
          {
            "name": "VU#490097",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/490097"
          },
          {
            "name": "20110601 Cisco AnyConnect VPN Client Arbitrary Program Execution Vulnerability",
            "tags": [
              "third-party-advisory",
              "x_refsource_IDEFENSE",
              "x_transferred"
            ],
            "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909"
          },
          {
            "name": "cisco-asmc-helper-code-execution(67739)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67739"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-06-01T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-28T12:57:01.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "72714",
          "tags": [
            "vdb-entry",
            "x_refsource_OSVDB"
          ],
          "url": "http://osvdb.org/72714"
        },
        {
          "name": "20110601 Multiple Vulnerabilities in Cisco AnyConnect Secure Mobility Client",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml"
        },
        {
          "name": "8272",
          "tags": [
            "third-party-advisory",
            "x_refsource_SREASON"
          ],
          "url": "http://securityreason.com/securityalert/8272"
        },
        {
          "name": "1025591",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id?1025591"
        },
        {
          "name": "VU#490097",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/490097"
        },
        {
          "name": "20110601 Cisco AnyConnect VPN Client Arbitrary Program Execution Vulnerability",
          "tags": [
            "third-party-advisory",
            "x_refsource_IDEFENSE"
          ],
          "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909"
        },
        {
          "name": "cisco-asmc-helper-code-execution(67739)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67739"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2011-2039",
          "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": "The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "72714",
              "refsource": "OSVDB",
              "url": "http://osvdb.org/72714"
            },
            {
              "name": "20110601 Multiple Vulnerabilities in Cisco AnyConnect Secure Mobility Client",
              "refsource": "CISCO",
              "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml"
            },
            {
              "name": "8272",
              "refsource": "SREASON",
              "url": "http://securityreason.com/securityalert/8272"
            },
            {
              "name": "1025591",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id?1025591"
            },
            {
              "name": "VU#490097",
              "refsource": "CERT-VN",
              "url": "http://www.kb.cert.org/vuls/id/490097"
            },
            {
              "name": "20110601 Cisco AnyConnect VPN Client Arbitrary Program Execution Vulnerability",
              "refsource": "IDEFENSE",
              "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909"
            },
            {
              "name": "cisco-asmc-helper-code-execution(67739)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67739"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2011-2039",
    "datePublished": "2011-06-02T19:00:00.000Z",
    "dateReserved": "2011-05-10T00:00:00.000Z",
    "dateUpdated": "2024-08-06T22:46:00.841Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-2039",
      "date": "2026-09-18",
      "epss": "0.69959",
      "percentile": "0.99342"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "29845E2B-0BED-4C8F-8A41-260D6E9ECB1B",
                    "versionEndIncluding": "2.3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6B522088-2084-491B-98F0-3E3CCD88131F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DA179B71-AC81-4587-8FB1-0466B2550975",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "210B66BB-4E2C-4D9E-BFBB-69916A42287C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.128:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B77EB2C9-BACE-46EA-AA72-FF1C7EB1A5F4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.133:*:*:*:*:*:*:*",
                    "matchCriteriaId": "06527370-E73A-40FF-8E02-E0337536C7C1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.136:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A617295C-F518-4BC7-8442-E476448D8F01",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.140:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E71A1D6B-8E87-4E3A-A1AE-DE44C2C348F9",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2CF61F35-5905-4BA9-AD7E-7DB261D2F256",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows_mobile:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D553418E-61B6-4BCA-9260-693260A9BB86",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904."
          },
          {
            "lang": "es",
            "value": "La aplicaci\u00f3n de ayuda en Cisco Secure Mobility AnyConnect Client (anteriormente AnyConnect VPN Client) antes de v2.3.185 para Windows y Windows Mobile, descarga un archivo de cliente ejecutable, sin verificar su autenticidad, lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario por suplantaci\u00f3n de identidad del servidor VPN. Error tambi\u00e9n conocido como Bug ID CSCsy00904."
          }
        ],
        "id": "CVE-2011-2039",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "HIGH",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 7.6,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 4.9,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-06-02T19:55:04.373",
        "references": [
          {
            "source": "psirt@cisco.com",
            "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909"
          },
          {
            "source": "psirt@cisco.com",
            "url": "http://osvdb.org/72714"
          },
          {
            "source": "psirt@cisco.com",
            "url": "http://securityreason.com/securityalert/8272"
          },
          {
            "source": "psirt@cisco.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml"
          },
          {
            "source": "psirt@cisco.com",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.kb.cert.org/vuls/id/490097"
          },
          {
            "source": "psirt@cisco.com",
            "url": "http://www.securitytracker.com/id?1025591"
          },
          {
            "source": "psirt@cisco.com",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67739"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://osvdb.org/72714"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://securityreason.com/securityalert/8272"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.kb.cert.org/vuls/id/490097"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id?1025591"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67739"
          }
        ],
        "sourceIdentifier": "psirt@cisco.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "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.


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.