CVE-2006-6265 - Vulnerability Details - OpenCVE

Description

Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure.

Published: 2006-12-04

Score: 5.8 Medium

EPSS: 3.1% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:microsoft:teredo:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2006-6248	Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.03062.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/archive/1/452989/100/0/threaded
http://www.securityfocus.com/archive/1/452996/100/0/threaded
http://www.symantec.com/avcenter/reference/Teredo_Security.pdf
https://exchange.xforce.ibmcloud.com/vulnerabilities/17897

History

No history.

Subscriptions

Microsoft Teredo

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2006-12-04T11:00:00.000Z

Updated: 2024-08-07T20:19:35.246Z

Reserved: 2006-12-03T00:00:00.000Z

Link: CVE-2006-6265

Vulnrichment

No data.

NVD

Status : Modified

Published: 2006-12-04T11:28:00.000

Modified: 2026-04-23T00:35:47.467

Link: CVE-2006-6265

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2006-11-29T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-17T20:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://www.symantec.com/avcenter/reference/Teredo_Security.pdf"}, {"name": "20061129 Re: [Full-disclosure] New report on Teredo security", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/452996/100/0/threaded"}, {"name": "20061129 New report on Teredo security", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/452989/100/0/threaded"}, {"name": "ipv6-teredo(17897)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17897"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2006-6265", "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": "Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.symantec.com/avcenter/reference/Teredo_Security.pdf", "refsource": "MISC", "url": "http://www.symantec.com/avcenter/reference/Teredo_Security.pdf"}, {"name": "20061129 Re: [Full-disclosure] New report on Teredo security", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/452996/100/0/threaded"}, {"name": "20061129 New report on Teredo security", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/452989/100/0/threaded"}, {"name": "ipv6-teredo(17897)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17897"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T20:19:35.246Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.symantec.com/avcenter/reference/Teredo_Security.pdf"}, {"name": "20061129 Re: [Full-disclosure] New report on Teredo security", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/452996/100/0/threaded"}, {"name": "20061129 New report on Teredo security", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/452989/100/0/threaded"}, {"name": "ipv6-teredo(17897)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17897"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2006-6265", "datePublished": "2006-12-04T11:00:00.000Z", "dateReserved": "2006-12-03T00:00:00.000Z", "dateUpdated": "2024-08-07T20:19:35.246Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:teredo:*:*:*:*:*:*:*:*", "matchCriteriaId": "8944C7E5-8579-4905-8256-613D1E242B7B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure."}, {"lang": "es", "value": "Los clientes Teredo, cuando est\u00e1n situados detr\u00e1s de un NAT restringido, permiten a atacantes remotos establecer una conexi\u00f3n entrante sin la conjetura necesaria para encontrar un mapeo de puertos de un cliente de NAT restringido tradicional, (1) usando el n\u00famero de puerto cliente contenido en la direcci\u00f3n Teredo o (2) siguiendo el procedimiento \"burbuja-para-abrir\" (bubble-to-open)."}], "id": "CVE-2006-6265", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2006-12-04T11:28:00.000", "references": [{"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/452989/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/452996/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.symantec.com/avcenter/reference/Teredo_Security.pdf"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17897"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/452989/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/452996/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.symantec.com/avcenter/reference/Teredo_Security.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17897"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}