{"schemaVersion":3,"id":"CVE-2001-1377","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Multiple RADIUS implementations do not properly validate the Vendor-Length of the Vendor-Specific attribute, which allows remote attackers to cause a denial of service (crash) via a Vendor-Length that is less than 2.","dates":{"published":"2002-06-11T04:00:00.000Z","modified":"2024-08-08T04:51:08.453Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.05425,"percentile":0.92626,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.05425},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.05425,"percentile":0.92626}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.05425,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.05425,"percentile":0.92626}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"freeradius","product":"freeradius","name":"freeradius","label":"freeradius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"0.2","noFixRecorded":false,"fixedIn":null},{"text":"0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"0.2 | 0.3","eol":null,"hubHref":"/vendor/freeradius/freeradius"},{"vendor":"gnu","product":"radius","name":"radius","label":"radius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"0.92.1","noFixRecorded":false,"fixedIn":null},{"text":"0.93","noFixRecorded":false,"fixedIn":null},{"text":"0.94","noFixRecorded":false,"fixedIn":null},{"text":"0.95","noFixRecorded":false,"fixedIn":null}],"versionsText":"0.92.1 | 0.93 | 0.94 | 0.95","eol":null,"hubHref":"/vendor/gnu/radius"},{"vendor":"icradius","product":"icradius","name":"icradius","label":"icradius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"0.14","noFixRecorded":false,"fixedIn":null},{"text":"0.15","noFixRecorded":false,"fixedIn":null},{"text":"0.16","noFixRecorded":false,"fixedIn":null},{"text":"0.17","noFixRecorded":false,"fixedIn":null},{"text":"0.17b","noFixRecorded":false,"fixedIn":null},{"text":"0.18","noFixRecorded":false,"fixedIn":null},{"text":"0.18.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"0.14 | 0.15 | 0.16 | 0.17 | 0.17b | 0.18 | 0.18.1","eol":null,"hubHref":"/vendor/icradius/icradius"},{"vendor":"livingston","product":"radius","name":"radius","label":"radius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.0","noFixRecorded":false,"fixedIn":null},{"text":"2.0.1","noFixRecorded":false,"fixedIn":null},{"text":"2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.0 | 2.0.1 | 2.1","eol":null,"hubHref":"/vendor/livingston/radius"},{"vendor":"lucent","product":"radius","name":"radius","label":"radius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.0","noFixRecorded":false,"fixedIn":null},{"text":"2.0.1","noFixRecorded":false,"fixedIn":null},{"text":"2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.0 | 2.0.1 | 2.1","eol":null,"hubHref":"/vendor/lucent/radius"},{"vendor":"miquel_van_smoorenburg_cistron","product":"radius","name":"radius","label":"radius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.6.1","noFixRecorded":false,"fixedIn":null},{"text":"1.6.2","noFixRecorded":false,"fixedIn":null},{"text":"1.6.3","noFixRecorded":false,"fixedIn":null},{"text":"1.6.4","noFixRecorded":false,"fixedIn":null},{"text":"1.6.5","noFixRecorded":false,"fixedIn":null},{"text":"1.6_.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.6.1 | 1.6.2 | 1.6.3 | 1.6.4 | 1.6.5 | 1.6_.0","eol":null,"hubHref":"/vendor/miquel_van_smoorenburg_cistron/radius"},{"vendor":"openradius","product":"openradius","name":"openradius","label":"openradius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"0.8","noFixRecorded":false,"fixedIn":null},{"text":"0.9","noFixRecorded":false,"fixedIn":null},{"text":"0.9.1","noFixRecorded":false,"fixedIn":null},{"text":"0.9.2","noFixRecorded":false,"fixedIn":null},{"text":"0.9.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"0.8 | 0.9 | 0.9.1 | 0.9.2 | 0.9.3","eol":null,"hubHref":"/vendor/openradius/openradius"},{"vendor":"radiusclient","product":"radiusclient","name":"radiusclient","label":"radiusclient","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"0.3.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"0.3.1","eol":null,"hubHref":"/vendor/radiusclient/radiusclient"},{"vendor":"xtradius","product":"xtradius","name":"xtradius","label":"xtradius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.1_pre1","noFixRecorded":false,"fixedIn":null},{"text":"1.1_pre2","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.1_pre1 | 1.1_pre2","eol":null,"hubHref":"/vendor/xtradius/xtradius"},{"vendor":"yard_radius_project","product":"yard_radius","name":"yard radius","label":"yard_radius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.0.16","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.16","eol":null,"hubHref":"/vendor/yard_radius_project/yard_radius"},{"vendor":"yard_radius","product":"yard_radius","name":"yard radius","label":"yard_radius","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.0.17","noFixRecorded":false,"fixedIn":null},{"text":"1.0.18","noFixRecorded":false,"fixedIn":null},{"text":"1.0.19","noFixRecorded":false,"fixedIn":null},{"text":"1.0_pre13","noFixRecorded":false,"fixedIn":null},{"text":"1.0_pre14","noFixRecorded":false,"fixedIn":null},{"text":"1.0_pre15","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.17 | 1.0.18 | 1.0.19 | 1.0_pre13 | 1.0_pre14 | 1.0_pre15","eol":null,"hubHref":"/vendor/yard_radius/yard_radius"}],"affectedCount":11,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.redhat.com/support/errata/RHSA-2002-030.html","label":"www.redhat.com/support/errata/RHSA-2002-030.html","hostname":"www.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"http://www.iss.net/security_center/static/8354.php","label":"www.iss.net/security_center/static/8354.php","hostname":"www.iss.net","tags":["VDB Entry","X Refsource XF","Patch","Vendor Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/936683","label":"www.kb.cert.org/vuls/id/936683","hostname":"www.kb.cert.org","tags":["Third Party Advisory","X Refsource CERT VN","Patch","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq&m=101537153021792&w=2","label":"marc.info?l=bugtraq&m=101537153021792&w=2","hostname":"marc.info","tags":["Mailing List","X Refsource BUGTRAQ"]},{"url":"http://archives.neohapsis.com/archives/linux/suse/2002-q2/0362.html","label":"archives.neohapsis.com/archives/linux/suse/2002-q2/0362.html","hostname":"archives.neohapsis.com","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://www.securityfocus.com/bid/4230","label":"www.securityfocus.com/bid/4230","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Patch","Vendor Advisory"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000466","label":"distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000466","hostname":"distro.conectiva.com.br","tags":["Vendor Advisory","X Refsource CONECTIVA"]},{"url":"http://www.cert.org/advisories/CA-2002-06.html","label":"www.cert.org/advisories/CA-2002-06.html","hostname":"www.cert.org","tags":["Third Party Advisory","X Refsource CERT","Patch","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2002-06-11T04:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-08T04:51:08.453Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T04:16:50.889Z","stale":false,"partial":false}}