CVE-2012-0339

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-01-27T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish TELNET connections from arbitrary source IP addresses via a standard TELNET client, aka Bug ID CSCsi77774."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2012-10-30T09:00:00.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "1027005", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id?1027005"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2012-0339", "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 IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish TELNET connections from arbitrary source IP addresses via a standard TELNET client, aka Bug ID CSCsi77774."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "1027005", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id?1027005"}, {"name": "http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html", "refsource": "CONFIRM", "url": "http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T18:23:30.556Z"}, "title": "CVE Program Container", "references": [{"name": "1027005", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id?1027005"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html"}]}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2012-0339", "datePublished": "2012-05-02T10:00:00.000Z", "dateReserved": "2012-01-04T00:00:00.000Z", "dateUpdated": "2024-08-06T18:23:30.556Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*", "matchCriteriaId": "E4BC49F2-3DCB-45F0-9030-13F6415EE178", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*", "matchCriteriaId": "0668C45B-9D25-424B-B876-C1721BFFE5DA", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*", "matchCriteriaId": "9D4D8C72-E7BB-40BF-9AE5-622794D63E09", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "CF87CC9A-1AF5-4DB4-ACE5-DB938D3B2F84", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish TELNET connections from arbitrary source IP addresses via a standard TELNET client, aka Bug ID CSCsi77774."}, {"lang": "es", "value": "Cisco IOS v12.2 hasta v12.4 y v15.0 no reconoce la palabra clave VRF-also durante la ejecuci\u00f3n de comandos de access-class, lo que permite a atacantes remotos establecer conexiones Telnet desde direcciones IP de origen arbitrarias a trav\u00e9s de un cliente telnet est\u00e1ndar, tambi\u00e9n conocido como Bug ID CSCsi77774."}], "id": "CVE-2012-0339", "lastModified": "2026-06-16T23:37:08.290", "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": "2012-05-02T10:09:22.177", "references": [{"source": "psirt@cisco.com", "url": "http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html"}, {"source": "psirt@cisco.com", "url": "http://www.securitytracker.com/id?1027005"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1027005"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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