{"id":"CVE-2010-3035","published":"2010-08-30T21:00:12Z","modified":"2026-06-16T23:22:00Z","title":"Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability","vendor":"Cisco","product":"IOS XR","tier":"core","eol":null,"description":{"text":"Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.","provenance":"source","from":"NVD"},"summary":{"text":"Cisco IOS XR (versions 3.4.0 through 3.9.1) contains a flaw in its Border Gateway Protocol implementation, where unrecognized transitive attributes are not handled properly. An attacker with only remote network access can send a crafted prefix announcement to reset BGP peering and cause a denial of service, requiring no authentication, no user interaction, and only that BGP is enabled on the device.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:13:55Z"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.05668,"percentile":0.92954,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-03-25","dueDate":"2022-04-15","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2010-3035","provenance":"source"},"vulncheckKev":{"dateAdded":"2022-03-25","exploitedFirstSeen":"2022-03-25","ransomware":false,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-03-25"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"references":[{"url":"http://mailman.nanog.org/pipermail/nanog/2010-August/024837.html","tags":["Mailing List"]},{"url":"http://osvdb.org/67696","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/41190","tags":["Broken Link"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4411f.shtml","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1024371","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2010/2227","tags":["Broken Link"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/61443","tags":["VDB Entry","Vendor Advisory"]},{"url":"http://mailman.nanog.org/pipermail/nanog/2010-August/024837.html","tags":["Mailing List"]},{"url":"http://osvdb.org/67696","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/41190","tags":["Broken Link"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4411f.shtml","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1024371","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2010/2227","tags":["Broken Link"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/61443","tags":["VDB Entry","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3035","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Remote crafted BGP announcement exploits public-facing network service","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"remote attackers to cause a denial of service","start":129,"end":174}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1499.004","name":"Application or System Exploitation","tactics":["impact"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Crafted prefix causes BGP peering reset, denial of service","mappingType":"primary_impact","evidence":[{"from":"description","quote":"cause a denial of service (peering reset)","start":149,"end":190}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2010-3037","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-3037","exploited":true,"exploitedSince":"2022-03-25","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1499.004"],"provenance":"ai"}],"timeline":[{"date":"2010-08-30","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2010-3035","provenance":"source"},{"date":"2022-03-25","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","provenance":"source"},{"date":"2022-03-25","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-03-25","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-3037","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":4225},"priority":{"score":61.8,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1679 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":18.59,"detail":"percentile 0.9295"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.25,"detail":"base score 7.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-cisco-ios-xr-cwe-20"}}