Vulnerability-Lookup

FKIE_CVE-2012-2566

Vulnerability from fkie_nvd - Published: 2012-06-09 00:55 - Updated: 2026-06-16 23:41

Severity

Summary

Bloxx Web Filtering before 5.0.14 does not properly interpret X-Forwarded-For headers during access-control and logging operations for HTTPS connection attempts, which allows remote attackers to bypass intended IP address and domain restrictions, and trigger misleading log entries, via a crafted header.

References

URL	Tags
cret@cert.org	http://www.kb.cert.org/vuls/id/722963	US Government Resource
cret@cert.org	http://www.kb.cert.org/vuls/id/MAPG-8R9LBY	US Government Resource
cret@cert.org	http://www.securityfocus.com/bid/53715
af854a3a-2127-422b-91ae-364da2661108	http://www.kb.cert.org/vuls/id/722963	US Government Resource
af854a3a-2127-422b-91ae-364da2661108	http://www.kb.cert.org/vuls/id/MAPG-8R9LBY	US Government Resource
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/53715

Impacted products

	Vendor	Product	Version
	bloxx	web_filtering	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cret@cert.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bloxx:web_filtering:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B760652F-820E-403D-BD08-6581C24ABFD7",
              "versionEndIncluding": "5.0.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Bloxx Web Filtering before 5.0.14 does not properly interpret X-Forwarded-For headers during access-control and logging operations for HTTPS connection attempts, which allows remote attackers to bypass intended IP address and domain restrictions, and trigger misleading log entries, via a crafted header."
    },
    {
      "lang": "es",
      "value": "Bloxx Web Filtering anteriores a v5.0.14 no interpreta de forma adecuada las cabeceras X-Forwarded-For durante las operaciones de control de acceso y login en los intentos de conexi\u00f3n HTTPS, lo que permite a atacantes remotos evitar las restricciones a direcciones IP espec\u00edficas, y provocar entradas de registro que pueden inducir a error, mediante una cabecera manipulada."
    }
  ],
  "id": "CVE-2012-2566",
  "lastModified": "2026-06-16T23:41:41.597",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/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": "2012-06-09T00:55:01.457",
  "references": [
    {
      "source": "cret@cert.org",
      "tags": [
        "US Government Resource"
      ],
      "url": "http://www.kb.cert.org/vuls/id/722963"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "US Government Resource"
      ],
      "url": "http://www.kb.cert.org/vuls/id/MAPG-8R9LBY"
    },
    {
      "source": "cret@cert.org",
      "url": "http://www.securityfocus.com/bid/53715"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "US Government Resource"
      ],
      "url": "http://www.kb.cert.org/vuls/id/722963"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "US Government Resource"
      ],
      "url": "http://www.kb.cert.org/vuls/id/MAPG-8R9LBY"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/53715"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2012-2566 (GCVE-0-2012-2566)

Vulnerability from cvelistv5 – Published: 2012-06-09 00:00 – Updated: 2024-08-06 19:34

Summary

Severity

No CVSS data available.

CWE

Assigner

certcc CNA under the mitre root

CNA scorecard E 42/100 over 172 records in the last 180 days details

References

3 references

URL	Tags
http://www.securityfocus.com/bid/53715	vdb-entryx_refsource_BID
http://www.kb.cert.org/vuls/id/MAPG-8R9LBY	x_refsource_CONFIRM
http://www.kb.cert.org/vuls/id/722963	third-party-advisoryx_refsource_CERT-VN

Date Public

2012-05-29 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T19:34:25.919Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "53715",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/53715"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/MAPG-8R9LBY"
          },
          {
            "name": "VU#722963",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/722963"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2012-05-29T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Bloxx Web Filtering before 5.0.14 does not properly interpret X-Forwarded-For headers during access-control and logging operations for HTTPS connection attempts, which allows remote attackers to bypass intended IP address and domain restrictions, and trigger misleading log entries, via a crafted header."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2012-08-18T09:00:00.000Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "name": "53715",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/53715"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.kb.cert.org/vuls/id/MAPG-8R9LBY"
        },
        {
          "name": "VU#722963",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/722963"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cert@cert.org",
          "ID": "CVE-2012-2566",
          "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": "Bloxx Web Filtering before 5.0.14 does not properly interpret X-Forwarded-For headers during access-control and logging operations for HTTPS connection attempts, which allows remote attackers to bypass intended IP address and domain restrictions, and trigger misleading log entries, via a crafted header."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "53715",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/53715"
            },
            {
              "name": "http://www.kb.cert.org/vuls/id/MAPG-8R9LBY",
              "refsource": "CONFIRM",
              "url": "http://www.kb.cert.org/vuls/id/MAPG-8R9LBY"
            },
            {
              "name": "VU#722963",
              "refsource": "CERT-VN",
              "url": "http://www.kb.cert.org/vuls/id/722963"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2012-2566",
    "datePublished": "2012-06-09T00:00:00.000Z",
    "dateReserved": "2012-05-09T00:00:00.000Z",
    "dateUpdated": "2024-08-06T19:34:25.919Z",
    "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

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