{"schemaVersion":3,"id":"CVE-2009-4420","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4 through 9.4.7 and 10.0.0 through 10.0.1, and Protocol Security Manager (PSM) 9.4.5 through 9.4.7 and 10.0.0 through 10.0.1, allows remote attackers to cause a denial of service (crash) via unknown vectors.  NOTE: some of these details are obtained from third party information.","dates":{"published":"2009-12-24T17:00:00.000Z","modified":"2024-08-07T07:01:20.167Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02221,"percentile":0.82438,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.02221},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02221,"percentile":0.82438}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02221,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02221,"percentile":0.82438}]},"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":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"f5","product":"big-ip_application_security_manager","name":"big-ip application security manager","label":"big-ip_application_security_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"9.4.4","noFixRecorded":false,"fixedIn":null},{"text":"9.4.5","noFixRecorded":false,"fixedIn":null},{"text":"9.4.6","noFixRecorded":false,"fixedIn":null},{"text":"9.4.7","noFixRecorded":false,"fixedIn":null},{"text":"10.0.0","noFixRecorded":false,"fixedIn":null},{"text":"10.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.4.4 | 9.4.5 | 9.4.6 | 9.4.7 | 10.0.0 | 10.0.1","eol":null,"hubHref":"/vendor/f5/big-ip_application_security_manager"},{"vendor":"f5","product":"big-ip_protocol_security_manager","name":"big-ip protocol security manager","label":"big-ip_protocol_security_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"9.4.5","noFixRecorded":false,"fixedIn":null},{"text":"9.4.6","noFixRecorded":false,"fixedIn":null},{"text":"9.4.7","noFixRecorded":false,"fixedIn":null},{"text":"10.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.4.5 | 9.4.6 | 9.4.7 | 10.0.1","eol":null,"hubHref":"/vendor/f5/big-ip_protocol_security_manager"},{"vendor":"f5","product":"big-ip_protocol_security_module","name":"big-ip protocol security module","label":"big-ip_protocol_security_module","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"10.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"10.0.0","eol":null,"hubHref":"/vendor/f5/big-ip_protocol_security_module"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securitytracker.com/id?1023386","label":"www.securitytracker.com/id?1023386","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK"]},{"url":"https://support.f5.com/kb/en-us/solutions/public/10000/400/sol10417.html","label":"support.f5.com/kb/en-us/solutions/public/10000/400/sol10417.html","hostname":"support.f5.com","tags":["X Refsource CONFIRM"]},{"url":"http://osvdb.org/61297","label":"osvdb.org/61297","hostname":"osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/55005","label":"exchange.xforce.ibmcloud.com/vulnerabilities/55005","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"http://www.vupen.com/english/advisories/2009/3627","label":"www.vupen.com/english/advisories/2009/3627","hostname":"www.vupen.com","tags":["VDB Entry","X Refsource VUPEN","Vendor Advisory"]},{"url":"http://secunia.com/advisories/37805","label":"secunia.com/advisories/37805","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/37452","label":"www.securityfocus.com/bid/37452","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2009-12-24T17:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T07:01:20.167Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:16:16.135Z","stale":false,"partial":false}}