{"schemaVersion":3,"id":"CVE-2021-39279","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3.","dates":{"published":"2021-09-07T05:40:14.000Z","modified":"2024-08-04T02:06:41.559Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9,"severity":"high","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.04613,"percentile":0.91632,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.04613},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.04613,"percentile":0.91632}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.04613,"percentile":0.91632}]},"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_2A1213F8D40FD228","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"https://packetstormsecurity.com/files/164014","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","description":"The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/78.html"}],"affected":[{"vendor":"moxa","product":"oncell_g3470a-lte-eu_firmware","name":"oncell g3470a-lte-eu firmware","label":"oncell_g3470a-lte-eu_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.7","eol":null,"hubHref":"/vendor/moxa/oncell_g3470a-lte-eu"},{"vendor":"moxa","product":"oncell_g3470a-lte-eu-t_firmware","name":"oncell g3470a-lte-eu-t firmware","label":"oncell_g3470a-lte-eu-t_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.7","eol":null,"hubHref":"/vendor/moxa/oncell_g3470a-lte-eu-t"},{"vendor":"moxa","product":"tap-323-eu-ct-t_firmware","name":"tap-323-eu-ct-t firmware","label":"tap-323-eu-ct-t_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.3","eol":null,"hubHref":"/vendor/moxa/tap-323-eu-ct-t"},{"vendor":"moxa","product":"tap-323-jp-ct-t_firmware","name":"tap-323-jp-ct-t firmware","label":"tap-323-jp-ct-t_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.3","eol":null,"hubHref":"/vendor/moxa/tap-323-jp-ct-t"},{"vendor":"moxa","product":"tap-323-us-ct-t_firmware","name":"tap-323-us-ct-t firmware","label":"tap-323-us-ct-t_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.3","eol":null,"hubHref":"/vendor/moxa/tap-323-us-ct-t"},{"vendor":"moxa","product":"wac-1001_firmware","name":"wac-1001 firmware","label":"wac-1001_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.1","eol":null,"hubHref":"/vendor/moxa/wac-1001"},{"vendor":"moxa","product":"wac-1001-t_firmware","name":"wac-1001-t firmware","label":"wac-1001-t_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.1","eol":null,"hubHref":"/vendor/moxa/wac-1001-t"},{"vendor":"moxa","product":"wac-2004_firmware","name":"wac-2004 firmware","label":"wac-2004_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.7","eol":null,"hubHref":"/vendor/moxa/wac-2004"},{"vendor":"moxa","product":"wdr-3124a-eu_firmware","name":"wdr-3124a-eu firmware","label":"wdr-3124a-eu_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.3","eol":null,"hubHref":"/vendor/moxa/wdr-3124a-eu"},{"vendor":"moxa","product":"wdr-3124a-eu-t_firmware","name":"wdr-3124a-eu-t firmware","label":"wdr-3124a-eu-t_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.3","eol":null,"hubHref":"/vendor/moxa/wdr-3124a-eu-t"},{"vendor":"moxa","product":"wdr-3124a-us_firmware","name":"wdr-3124a-us firmware","label":"wdr-3124a-us_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.3","eol":null,"hubHref":"/vendor/moxa/wdr-3124a-us"},{"vendor":"moxa","product":"wdr-3124a-us-t_firmware","name":"wdr-3124a-us-t firmware","label":"wdr-3124a-us-t_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.3","eol":null,"hubHref":"/vendor/moxa/wdr-3124a-us-t"}],"affectedCount":12,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.moxa.com","label":"www.moxa.com","hostname":"www.moxa.com","tags":["X Refsource MISC","Vendor Advisory"]},{"url":"https://packetstormsecurity.com/files/164014","label":"packetstormsecurity.com/files/164014","hostname":"packetstormsecurity.com","tags":["Exploit","Third Party Advisory","VDB Entry"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-09-07T05:40:14.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T02:06:41.559Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T13:50:32.746Z","stale":false,"partial":false}}