{"history":[{"alert":0,"cve":"CVE-2009-2055","id":21419,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.03314, \"percentile\": 0.88744}"},{"alert":0,"cve":"CVE-2009-2055","id":19035,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.03314, \"percentile\": 0.88672}"},{"alert":0,"cve":"CVE-2009-2055","id":17001,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.03314, \"percentile\": 0.88657}"},{"alert":0,"cve":"CVE-2009-2055","id":15064,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.03314, \"percentile\": 0.88651}"},{"alert":1,"cve":"CVE-2009-2055","id":14981,"kind":"cna","observed_at":1794090000,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-07T05:36:20.975Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"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\"}], \"title\": \"CVE Program Container\"}, {\"metrics\": [{\"cvssV3_1\": {\"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\"}}, {\"other\": {\"content\": {\"id\": \"CVE-2009-2055\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2024-11-08T17:41:43.520580Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2022-03-25\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-20\", \"description\": \"CWE-20 Improper Input Validation\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-01-12T20:39:47.917Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"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\"}]}}}}, \"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\"}"},{"alert":0,"cve":"CVE-2009-2055","id":13042,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.03314, \"percentile\": 0.88642}"},{"alert":0,"cve":"CVE-2009-2055","id":10824,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.03314, \"percentile\": 0.88623}"},{"alert":0,"cve":"CVE-2009-2055","id":8570,"kind":"epss","observed_at":1793895600,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.03314, \"percentile\": 0.88615}"},{"alert":0,"cve":"CVE-2009-2055","id":6358,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.03314, \"percentile\": 0.88605}"},{"alert":0,"cve":"CVE-2009-2055","id":4135,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.03314, \"percentile\": 0.88585}"},{"alert":0,"cve":"CVE-2009-2055","id":1917,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.03314, \"percentile\": 0.88571}"},{"alert":1,"cve":"CVE-2009-2055","id":1259,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2009-2055\", \"cwes\": [\"CWE-20\"], \"dateAdded\": \"2022-03-25\", \"dueDate\": \"2022-04-15\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://nvd.nist.gov/vuln/detail/CVE-2009-2055\", \"product\": \"IOS XR\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"Cisco IOS XR,when BGP is the configured routing feature, allows remote attackers to cause a denial-of-service (DoS).\", \"vendorProject\": \"Cisco\", \"vulnerabilityName\": \"Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability\"}"}],"record":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T05:36:20.975Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"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"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"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"}},{"other":{"content":{"id":"CVE-2009-2055","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-11-08T17:41:43.520580Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2022-03-25","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-01-12T20:39:47.917Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055"}],"title":"CISA ADP Vulnrichment"}],"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"}]}}}},"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"},"cna_checked":1794090000,"cve":"CVE-2009-2055","description":"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.","epss":{"date":"2026-11-12","epss":0.03314,"percentile":0.88744},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2009-2055","cwes":["CWE-20"],"dateAdded":"2022-03-25","dueDate":"2022-04-15","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2009-2055","product":"IOS XR","requiredAction":"Apply updates per vendor instructions.","shortDescription":"Cisco IOS XR,when BGP is the configured routing feature, allows remote attackers to cause a denial-of-service (DoS).","vendorProject":"Cisco","vulnerabilityName":"Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability"},"kev_checked":1794522003,"products":"n/a n/a","references":["http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html","http://securitytracker.com/id?1022739","http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055"],"score":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","provider":"CISA-ADP","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"},"solutions":"","state":"PUBLISHED","title":"Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}
