CVE-2005-1942

View on CVE.org

Published Jun 14, 2005 CVSS 2.0 · 7.5 High EPSS 1.6% KEV · Not listed

Description

Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco Discovery Protocol (CDP) messages.

Affected Products

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:h:cisco:catalyst:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2005-1944	Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco Discovery Protocol (CDP) messages.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.6% (1.585% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://marc.info/?l=bugtraq&m=111842833009771&w=2
http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml
http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf
http://www.securitytracker.com/alerts/2005/Jun/1014135.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/20939

History

No history.

Subscriptions

Cisco Catalyst

Weaknesses

NVD-CWE-Other

Sources

CVE record Updated: Aug 7, 2024, 10:06 PM

Status: PUBLISHED
Assigner: mitre
Published: Jun 14, 2005, 4:00 AM
Updated: Aug 7, 2024, 10:06 PM
Reserved: Jun 14, 2005, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 10:13 PM

Status: Modified
Published: Jun 10, 2005, 4:00 AM
Modified: Jun 16, 2026, 10:13 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2005-06-10T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco Discovery Protocol (CDP) messages."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-07-10T14:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "1014135", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/alerts/2005/Jun/1014135.html"}, {"name": "20050608 Cisco 802.1x Voice-Enabled Interfaces Allow Anonymous Voice VLAN Access", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml"}, {"tags": ["x_refsource_MISC"], "url": "http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf"}, {"name": "20050610 Voice VLAN Access/Abuse Possible on Cisco voice-enabled, 802.1x-secured Interfaces Vulnerability Discovery: FishNet Security", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=111842833009771&w=2"}, {"name": "cisco-callmanager-voice-gain-access(20939)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/20939"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2005-1942", "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": "Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco Discovery Protocol (CDP) messages."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "1014135", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/alerts/2005/Jun/1014135.html"}, {"name": "20050608 Cisco 802.1x Voice-Enabled Interfaces Allow Anonymous Voice VLAN Access", "refsource": "CISCO", "url": "http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml"}, {"name": "http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf", "refsource": "MISC", "url": "http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf"}, {"name": "20050610 Voice VLAN Access/Abuse Possible on Cisco voice-enabled, 802.1x-secured Interfaces Vulnerability Discovery: FishNet Security", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=111842833009771&w=2"}, {"name": "cisco-callmanager-voice-gain-access(20939)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/20939"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T22:06:57.893Z"}, "title": "CVE Program Container", "references": [{"name": "1014135", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/alerts/2005/Jun/1014135.html"}, {"name": "20050608 Cisco 802.1x Voice-Enabled Interfaces Allow Anonymous Voice VLAN Access", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf"}, {"name": "20050610 Voice VLAN Access/Abuse Possible on Cisco voice-enabled, 802.1x-secured Interfaces Vulnerability Discovery: FishNet Security", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=111842833009771&w=2"}, {"name": "cisco-callmanager-voice-gain-access(20939)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/20939"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2005-1942", "datePublished": "2005-06-14T04:00:00.000Z", "dateReserved": "2005-06-14T00:00:00.000Z", "dateUpdated": "2024-08-07T22:06:57.893Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"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:h:cisco:catalyst:*:*:*:*:*:*:*:*", "matchCriteriaId": "B7A7AAE4-CA60-46BD-B0BB-71BB39536F0C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco Discovery Protocol (CDP) messages."}], "id": "CVE-2005-1942", "lastModified": "2026-06-16T22:13:57.360", "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": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2005-06-10T04:00:00.000", "references": [{"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=111842833009771&w=2"}, {"source": "cve@mitre.org", "url": "http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.securitytracker.com/alerts/2005/Jun/1014135.html"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/20939"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=111842833009771&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.cisco.com/warp/public/707/cisco-sn-20050608-8021x.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.securitytracker.com/alerts/2005/Jun/1014135.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/20939"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}