{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2009-08-19T17:00:00.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "[nanog] 20090817 RE: Anyone else seeing \"(invalid or corrupt AS path) 3 bytes E01100\" ?", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html"}, {"name": "1022739", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://securitytracker.com/id?1022739"}, {"name": "20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2009-2055", "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 XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[nanog] 20090817 RE: Anyone else seeing \"(invalid or corrupt AS path) 3 bytes E01100\" ?", "refsource": "MLIST", "url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html"}, {"name": "1022739", "refsource": "SECTRACK", "url": "http://securitytracker.com/id?1022739"}, {"name": "20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability", "refsource": "CISCO", "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T05:36:20.975Z"}, "title": "CVE Program Container", "references": [{"name": "[nanog] 20090817 RE: Anyone else seeing \"(invalid or corrupt AS path) 3 bytes E01100\" ?", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html"}, {"name": "1022739", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://securitytracker.com/id?1022739"}, {"name": "20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "CWE-20 Improper Input Validation"}]}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055", "tags": ["government-resource"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-11-08T17:41:43.520580Z", "id": "CVE-2009-2055", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2022-03-25", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-12T20:39:47.917Z"}}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2009-2055", "datePublished": "2009-08-19T17:00:00.000Z", "dateReserved": "2009-06-12T00:00:00.000Z", "dateUpdated": "2026-01-12T20:39:47.917Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html", "name": "[nanog] 20090817 RE: Anyone else seeing \"(invalid or corrupt AS path) 3 bytes E01100\" ?", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"]}, {"url": "http://securitytracker.com/id?1022739", "name": "1022739", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"]}, {"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml", "name": "20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T05:36:20.975Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2009-2055", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-08T17:41:43.520580Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2022-03-25", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-08T16:07:26.055Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html", "name": "[nanog] 20090817 RE: Anyone else seeing \"(invalid or corrupt AS path) 3 bytes E01100\" ?", "tags": ["mailing-list", "x_refsource_MLIST"]}, {"url": "http://securitytracker.com/id?1022739", "name": "1022739", "tags": ["vdb-entry", "x_refsource_SECTRACK"]}, {"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml", "name": "20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"]}], "descriptions": [{"lang": "en", "value": "Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2009-08-19T17:00:00.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "n/a"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html", "name": "[nanog] 20090817 RE: Anyone else seeing \"(invalid or corrupt AS path) 3 bytes E01100\" ?", "refsource": "MLIST"}, {"url": "http://securitytracker.com/id?1022739", "name": "1022739", "refsource": "SECTRACK"}, {"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml", "name": "20090818 Cisco IOS XR Software Border Gateway Protocol Vulnerability", "refsource": "CISCO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2009-2055", "STATE": "PUBLIC", "ASSIGNER": "psirt@cisco.com"}}}}, "cveMetadata": {"cveId": "CVE-2009-2055", "state": "PUBLISHED", "dateUpdated": "2026-01-12T20:39:47.917Z", "dateReserved": "2009-06-12T00:00:00.000Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2009-08-19T17:00:00.000Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

{"cisaActionDue": "2022-04-15", "cisaExploitAdd": "2022-03-25", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xr:3.4:*:*:*:*:*:*:*", "matchCriteriaId": "75538529-611A-43B5-AC4D-089C4E2E2ACC", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "00DA2581-F618-4F2A-AB65-DA23DF51AF89", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "81797938-F953-42BE-B287-AA48B9860AF6", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "92AED038-C73F-4499-B064-F01D80DB0C64", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "CB7A249B-AF69-47D0-B6DE-968B4CD0BA42", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.5:*:*:*:*:*:*:*", "matchCriteriaId": "F992D03D-1DB8-44C1-B59D-1C09A32A2C91", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.5.2:*:*:*:*:*:*:*", "matchCriteriaId": "C5F15240-6323-4766-801A-D887F3EA8A6B", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.5.3:*:*:*:*:*:*:*", "matchCriteriaId": "D99DC1CF-78DC-4E59-98BA-DD84702D6467", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.5.4:*:*:*:*:*:*:*", "matchCriteriaId": "0B9FA754-E3D2-4D80-8F4B-41139973D9FC", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.6.0:*:*:*:*:*:*:*", "matchCriteriaId": "F497A05C-2FC5-427D-8036-2476ACA956C0", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.6.1:*:*:*:*:*:*:*", "matchCriteriaId": "2252E7B0-9112-4E9E-8CF4-4EC53C630CFD", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.6.2:*:*:*:*:*:*:*", "matchCriteriaId": "1131A524-AA7A-4C94-9FFE-54546EA7D2CC", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.6.3:*:*:*:*:*:*:*", "matchCriteriaId": "46D1A634-D39C-4305-8915-4AA289FB68EE", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.0:*:*:*:*:*:*:*", "matchCriteriaId": "21BAB799-3150-46D8-AEA3-9FCC73203221", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "99042285-94AC-4C57-8EAA-EE63C678A94A", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.2:*:*:*:*:*:*:*", "matchCriteriaId": "2E752AA9-CC1C-44B6-A916-A3C76A57F05C", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.7.3:*:*:*:*:*:*:*", "matchCriteriaId": "71CBE50E-9BD3-4F74-8C7A-BE4905090EE2", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "96F48419-AF66-4B50-ACBF-9E38287A64FA", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:3.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "EBB71A24-AA6C-4BAD-BD37-5C191751C9DF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009."}, {"lang": "es", "value": "Cisco IOS XR desde la v3.4.0 hasta la v3.8.1 permite a atacantes remotos producir una denegaci\u00f3n de servicio (reset de sesi\u00f3n) a trav\u00e9s de el mensaje BGP UPDATE con un atributo invalido, como se demostr\u00f3 el 17 de Agosto de 2009."}], "id": "CVE-2009-2055", "lastModified": "2026-04-22T15:40:28.900", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2009-08-19T17:30:01.047", "references": [{"source": "psirt@cisco.com", "tags": ["Mailing List"], "url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html"}, {"source": "psirt@cisco.com", "tags": ["Broken Link"], "url": "http://securitytracker.com/id?1022739"}, {"source": "psirt@cisco.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://securitytracker.com/id?1022739"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}