Vulnerability-Lookup

FKIE_CVE-2011-4197

Vulnerability from fkie_nvd - Published: 2012-01-03 19:55 - Updated: 2026-06-16 23:34

Severity

Summary

etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.

References

URL	Tags
cve@mitre.org	http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
cve@mitre.org	http://secunia.com/advisories/46780	Vendor Advisory
cve@mitre.org	http://www.osvdb.org/77982
cve@mitre.org	http://www.securityfocus.com/bid/51169
cve@mitre.org	https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
cve@mitre.org	https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
cve@mitre.org	https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
cve@mitre.org	https://www.trustmatta.com/advisories/MATTA-2011-001.txt
af854a3a-2127-422b-91ae-364da2661108	http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
af854a3a-2127-422b-91ae-364da2661108	http://secunia.com/advisories/46780	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.osvdb.org/77982
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/51169
af854a3a-2127-422b-91ae-364da2661108	https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
af854a3a-2127-422b-91ae-364da2661108	https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
af854a3a-2127-422b-91ae-364da2661108	https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
af854a3a-2127-422b-91ae-364da2661108	https://www.trustmatta.com/advisories/MATTA-2011-001.txt

Impacted products

Vendor	Product	Version
pfsense	pfsense	*
pfsense	pfsense	1.0.x
pfsense	pfsense	1.2.1
pfsense	pfsense	1.2.2
pfsense	pfsense	1.2.3

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:pfsense:pfsense:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B2B94DE8-E8F3-4534-93E3-1C5F93F19E1B",
              "versionEndIncluding": "2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.0.x:*:*:*:*:*:*:*",
              "matchCriteriaId": "1882D857-FF4A-4A5E-971D-2DC67B13FC1A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "91B2C820-8BE9-48D0-848F-A6C6C7D8094A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA3FBF3F-BE16-48DC-AA01-F9BB2DEED01E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.2.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "A52BDC92-9630-46EB-8162-484D6DA1868B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key."
    },
    {
      "lang": "es",
      "value": "etc/inc/certs.inc en la implementaci\u00f3n de PKI pfSense antes de v2.0.1, crea cada certificado X.509 con un valor verdadero para la restricci\u00f3n b\u00e1sica de CA, lo que permite a atacantes remotos crear sub-certificados para temas de su elecci\u00f3n aprovechando la clave privada."
    }
  ],
  "id": "CVE-2011-4197",
  "lastModified": "2026-06-16T23:34:34.497",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-01-03T19:55:03.560",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/46780"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.osvdb.org/77982"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/51169"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/46780"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/77982"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/51169"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2011-4197 (GCVE-0-2011-4197)

Vulnerability from cvelistv5 – Published: 2012-01-03 19:00 – Updated: 2024-08-07 00:01

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2230 records in the last 180 days details

References

8 references

URL	Tags
http://www.securityfocus.com/bid/51169	vdb-entryx_refsource_BID
https://github.com/bsdperimeter/pfsense/commit/87…	x_refsource_CONFIRM
https://github.com/bsdperimeter/pfsense/commit/13…	x_refsource_CONFIRM
http://archives.neohapsis.com/archives/bugtraq/20…	mailing-listx_refsource_BUGTRAQ
https://www.trustmatta.com/advisories/MATTA-2011-…	x_refsource_MISC
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
http://www.osvdb.org/77982	vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/46780	third-party-advisoryx_refsource_SECUNIA

Date Public

2011-12-22 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T00:01:51.231Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "51169",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/51169"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e"
          },
          {
            "name": "20111222 [MATTA-2011-001] pfSense x509 Insecure Certificate Creation",
            "tags": [
              "mailing-list",
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            ],
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          },
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"
          },
          {
            "name": "pfsense-x509-security-bypass(71969)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"
          },
          {
            "name": "77982",
            "tags": [
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            ],
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          },
          {
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            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/46780"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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      ],
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        {
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        },
        {
          "tags": [
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          ],
          "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"
        },
        {
          "name": "pfsense-x509-security-bypass(71969)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"
        },
        {
          "name": "77982",
          "tags": [
            "vdb-entry",
            "x_refsource_OSVDB"
          ],
          "url": "http://www.osvdb.org/77982"
        },
        {
          "name": "46780",
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            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/46780"
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        "affects": {
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            },
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  "cveMetadata": {
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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

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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.

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