{"schemaVersion":3,"id":"CVE-2011-4722","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Directory traversal vulnerability in the TFTP Server 1.0.0.24 in Ipswitch WhatsUp Gold allows remote attackers to read arbitrary files via a .. (dot dot) in the Filename field of an RRQ operation.","dates":{"published":"2014-12-28T02:00:00.000Z","modified":"2024-08-07T00:16:34.460Z","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:C/I:N/A:N","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:C/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.58232,"percentile":0.9909,"severity":"critical","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.58232},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.58232,"percentile":0.9909}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.58232,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.58232,"percentile":0.9909}]},"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":[{"id":"REF_867018DF71D0DE39","name":"Exploit Reference (secpod.org)","source":"reference","url":"http://secpod.org/blog/?p=424","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"18189","name":"Ipswitch TFTP Server 1.0.0.24 - Directory Traversal","source":"exploit-database","url":"https://www.exploit-db.com/exploits/18189","maturity":"weaponized","reliabilityScore":0.8,"verified":true,"type":"remote","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"remote","platform":"windows","file":"exploits/windows/remote/18189.txt","codes":["OSVDB-77455","CVE-2011-4722"]},"metasploit":null},{"id":"MSF_AUXILIARY_SCANNER_TFTP_IPSWITCH_WHATSUPGOLD_TFTP","name":"IpSwitch WhatsUp Gold TFTP Directory Traversal","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/tftp/ipswitch_whatsupgold_tftp.rb","maturity":"poc","reliabilityScore":0.5,"verified":false,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"auxiliary/scanner/tftp/ipswitch_whatsupgold_tftp","rank":"300","rankName":"normal","postAuth":false,"check":false,"stability":["unknown-stability"],"sideEffects":["unknown-side-effects"],"reliability":["unknown-reliability"]}}],"exploitCount":3,"weaknesses":[{"id":"CWE-22","name":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","description":"The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/22.html"}],"affected":[{"vendor":"ipswitch","product":"tftp_server","name":"tftp server","label":"tftp_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.0.0.24","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.0.24","eol":null,"hubHref":"/vendor/ipswitch/tftp_server"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.osvdb.org/77455","label":"www.osvdb.org/77455","hostname":"www.osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://secpod.org/blog/?p=424","label":"secpod.org/blog/?p=424","hostname":"secpod.org","tags":["X Refsource MISC","Exploit"]},{"url":"http://secunia.com/advisories/47025","label":"secunia.com/advisories/47025","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"https://h20565.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c05054714","label":"h20565.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c05054714","hostname":"h20565.www2.hp.com","tags":["Vendor Advisory","X Refsource HP"]},{"url":"http://securitytracker.com/id?1026368","label":"securitytracker.com/id?1026368","hostname":"securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71610","label":"exchange.xforce.ibmcloud.com/vulnerabilities/71610","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"http://www.exploit-db.com/exploits/18189/","label":"www.exploit-db.com/exploits/18189/","hostname":"www.exploit-db.com","tags":["Exploit","X Refsource EXPLOIT DB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2014-12-28T02:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T00:16:34.460Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":53,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T03:10:30.272Z","stale":false,"partial":false}}