Vulnerability-Lookup

FKIE_CVE-2009-1803

Vulnerability from fkie_nvd - Published: 2009-05-28 14:30 - Updated: 2026-06-16 23:08

Severity

Summary

FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

References

URL	Tags
cve@mitre.org	http://freepbx.org/trac/ticket/3660
cve@mitre.org	http://secunia.com/advisories/34772	Vendor Advisory
cve@mitre.org	http://www.osvdb.org/54263
cve@mitre.org	http://www.securityfocus.com/bid/34857	Patch
af854a3a-2127-422b-91ae-364da2661108	http://freepbx.org/trac/ticket/3660
af854a3a-2127-422b-91ae-364da2661108	http://secunia.com/advisories/34772	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.osvdb.org/54263
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/34857	Patch

Impacted products

Vendor	Product	Version
freepbx	freepbx	2.4
freepbx	freepbx	2.4.0_beta1
freepbx	freepbx	2.4.0_beta2
freepbx	freepbx	2.4.1
freepbx	freepbx	2.5
freepbx	freepbx	2.5.0_beta1
freepbx	freepbx	2.5.0rc2
freepbx	freepbx	2.5.0rc3
freepbx	freepbx	2.5.1
freepbx	freepbx	2.5.2
sangoma	freepbx	2.4.0
sangoma	freepbx	2.5.0

JSON

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:a:freepbx:freepbx:2.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "455E97D6-B069-49D6-B510-3D4112A9E1B3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.4.0_beta1:*:*:*:*:*:*:*",
              "matchCriteriaId": "BF1E1278-3114-4BD1-B589-30B5313C9502",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.4.0_beta2:*:*:*:*:*:*:*",
              "matchCriteriaId": "32D216B0-31D6-4288-8773-FB2438944492",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "0A09E3F0-E1A6-4CC4-8134-89DF5DB6EA3B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "5B2C1156-93B6-4D71-8D9C-ED6FC6C0AE74",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.5.0_beta1:*:*:*:*:*:*:*",
              "matchCriteriaId": "11ACC1C9-A2C3-41CA-B608-C474B642A380",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.5.0rc2:*:*:*:*:*:*:*",
              "matchCriteriaId": "D8A021AB-A142-4DAD-9EB0-2352C625D8CC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.5.0rc3:*:*:*:*:*:*:*",
              "matchCriteriaId": "9C0B173F-2161-4E40-A712-90DA6B997820",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.5.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "613A39A4-976E-4535-9408-533F957F7F87",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freepbx:freepbx:2.5.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "B5B657C6-A2DF-432A-9F46-1157C630CB20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:freepbx:2.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "9734B50E-BEA8-41DF-835F-7B15A9BB31E8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:freepbx:2.5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "E9645D4F-BB03-49AD-AE79-6FE990BF18FE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames."
    },
    {
      "lang": "es",
      "value": "FreePBX v2.5.1, v2.4.x, v2.5.x, y pre-release v2.6.x, genera distintos errores tras intentos de login fallidos dependiendo de si la cuenta de usuario existe o no, lo que permite a atacantes remotos listar nombres de usuarios v\u00e1alidos."
    }
  ],
  "id": "CVE-2009-1803",
  "lastModified": "2026-06-16T23:08:05.253",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2009-05-28T14:30:00.390",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://freepbx.org/trac/ticket/3660"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/34772"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.osvdb.org/54263"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/34857"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://freepbx.org/trac/ticket/3660"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/34772"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/54263"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/34857"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2009-1803 (GCVE-0-2009-1803)

Vulnerability from cvelistv5 – Published: 2009-05-28 14:00 – Updated: 2024-09-16 22:51

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

4 references

URL	Tags
http://www.osvdb.org/54263	vdb-entryx_refsource_OSVDB
http://freepbx.org/trac/ticket/3660	x_refsource_CONFIRM
http://secunia.com/advisories/34772	third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/34857	vdb-entryx_refsource_BID

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T05:27:54.399Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "54263",
            "tags": [
              "vdb-entry",
              "x_refsource_OSVDB",
              "x_transferred"
            ],
            "url": "http://www.osvdb.org/54263"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://freepbx.org/trac/ticket/3660"
          },
          {
            "name": "34772",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/34772"
          },
          {
            "name": "34857",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/34857"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2009-05-28T14:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "54263",
          "tags": [
            "vdb-entry",
            "x_refsource_OSVDB"
          ],
          "url": "http://www.osvdb.org/54263"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://freepbx.org/trac/ticket/3660"
        },
        {
          "name": "34772",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/34772"
        },
        {
          "name": "34857",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/34857"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2009-1803",
          "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": "FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "54263",
              "refsource": "OSVDB",
              "url": "http://www.osvdb.org/54263"
            },
            {
              "name": "http://freepbx.org/trac/ticket/3660",
              "refsource": "CONFIRM",
              "url": "http://freepbx.org/trac/ticket/3660"
            },
            {
              "name": "34772",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/34772"
            },
            {
              "name": "34857",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/34857"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2009-1803",
    "datePublished": "2009-05-28T14:00:00.000Z",
    "dateReserved": "2009-05-28T00:00:00.000Z",
    "dateUpdated": "2024-09-16T22:51:26.975Z",
    "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.

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-2009-1803

CVE-2009-1803 (GCVE-0-2009-1803)

Tags

Sightings

Nomenclature

Related by attack behaviour