{"id":"CVE-2001-0650","aliases":["EUVD-2001-0637","GHSA-mqp5-7qvm-xrpr"],"status":"published","title":"Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates...","description":"Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02361,"percentile":0.83883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-09-20T04:00:00Z","modified":"2026-06-16T21:54:41Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.osvdb.org/1830","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6566","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/ios-bgp-attr-corruption-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/106392","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"http://ciac.llnl.gov/ciac/bulletins/l-082.shtml","tags":["third-party-advisory","government-resource","x_refsource_CIAC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/2733","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0650"},{"url":"https://github.com/advisories/GHSA-mqp5-7qvm-xrpr"}],"sources":{"cve":[{"id":"CVE-2001-0650","description":"Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T04:30:05.977Z","updated_at":"2026-11-02T14:34:43.358691Z"}],"euvd":[{"id":"EUVD-2001-0637","description":"Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T04:30:05Z","updated_at":"2026-11-03T01:14:51.137272Z"}],"ghsa":[{"id":"GHSA-mqp5-7qvm-xrpr","title":"Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates...","description":"Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute.","status":"published","published":"2022-04-30T18:16:27Z","modified":"2023-01-30T05:05:03Z","updated_at":"2026-11-02T14:47:10.981212Z"}],"nvd":[{"id":"CVE-2001-0650","description":"Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute.","status":"published","published":"2001-09-20T04:00:00Z","modified":"2026-06-16T21:54:41.743Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:40.572315Z"}]}}