{"schemaVersion":3,"id":"CVE-2023-27389","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Inadequate encryption strength vulnerability in CONPROSYS IoT Gateway products allows a remote authenticated attacker with an administrative privilege to apply a specially crafted Firmware update file, alter the information, cause a denial-of-service (DoS) condition, and/or execute arbitrary code. The affected products and versions are as follows: M2M Gateway with the firmware Ver.3.7.10 and earlier (CPS-MG341-ADSC1-111, CPS-MG341-ADSC1-931, CPS-MG341G-ADSC1-111, CPS-MG341G-ADSC1-930, and CPS-MG341G5-ADSC1-931), M2M Controller Integrated Type with firmware Ver.3.7.6 and earlier versions (CPS-MC341-ADSC1-111, CPS-MC341-ADSC1-931, CPS-MC341-ADSC2-111, CPS-MC341G-ADSC1-110, CPS-MC341Q-ADSC1-111, CPS-MC341-DS1-111, CPS-MC341-DS11-111, CPS-MC341-DS2-911, and CPS-MC341-A1-111), and M2M Controller Configurable Type with firmware Ver.3.8.8 and earlier versions (CPS-MCS341-DS1-111, CPS-MCS341-DS1-131, CPS-MCS341G-DS1-130, CPS-MCS341G5-DS1-130, and CPS-MCS341Q-DS1-131).","dates":{"published":"2023-04-11T00:00:00.000Z","modified":"2025-02-10T21:31:14.807Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.2,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.2,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.2,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00523,"percentile":0.43267,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00523},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00523,"percentile":0.43267}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00523,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00523,"percentile":0.43267}]},"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-326","name":"Inadequate Encryption Strength","description":"The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/326.html"}],"affected":[{"vendor":"contec co.,ltd.","product":"conprosys iot gateway products","name":"CONPROSYS IoT Gateway products","label":"conprosys iot gateway products","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"M2M Gateway with the firmware Ver.3.7.10 and earlier (CPS-MG341-ADSC1-111, CPS-MG341-ADSC1-931, CPS-MG341G-ADSC1-111, CPS-MG341G-ADSC1-930, and CPS-MG341G5-ADSC1-931), M2M Controller Integrated Type with firmware Ver.3.7.6 and earlier versions (CPS-MC341-ADSC1-111, CPS-MC341-ADSC1-931, CPS-MC341-ADSC2-111, CPS-MC341G-ADSC1-110, CPS-MC341Q-ADSC1-111, CPS-MC341-DS1-111, CPS-MC341-DS11-111, CPS-MC341-DS2-911, and CPS-MC341-A1-111), and M2M Controller Configurable Type with firmware Ver.3.8.8 and earlier versions (CPS-MCS341-DS1-111, CPS-MCS341-DS1-131, CPS-MCS341G-DS1-130, CPS-MCS341G5-DS1-130, and CPS-MCS341Q-DS1-131)","noFixRecorded":false,"fixedIn":null}],"versionsText":"M2M Gateway with the firmware Ver.3.7.10 and earlier (CPS-MG341-ADSC1-111, CPS-MG341-ADSC1-931, CPS-MG341G-ADSC1-111, CPS-MG341G-ADSC1-930, and CPS-MG341G5-ADSC1-931), M2M Controller Integrated Type with firmware Ver.3.7.6 and earlier versions (CPS-MC341-ADSC1-111, CPS-MC341-ADSC1-931, CPS-MC341-ADSC2-111, CPS-MC341G-ADSC1-110, CPS-MC341Q-ADSC1-111, CPS-MC341-DS1-111, CPS-MC341-DS11-111, CPS-MC341-DS2-911, and CPS-MC341-A1-111), and M2M Controller Configurable Type with firmware Ver.3.8.8 and earlier versions (CPS-MCS341-DS1-111, CPS-MCS341-DS1-131, CPS-MCS341G-DS1-130, CPS-MCS341G5-DS1-130, and CPS-MCS341Q-DS1-131)","eol":null,"hubHref":"/vendor/contec_coltd/conprosys_iot_gateway_products"},{"vendor":"contec","product":"cps-mc341-a1-111_firmware","name":"cps-mc341-a1-111 firmware","label":"cps-mc341-a1-111_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 3.7.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.7.6","eol":null,"hubHref":"/vendor/contec/cps-mc341-a1-111"},{"vendor":"contec","product":"cps-mc341-adsc1-111_firmware","name":"cps-mc341-adsc1-111 firmware","label":"cps-mc341-adsc1-111_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 3.7.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.7.6","eol":null,"hubHref":"/vendor/contec/cps-mc341-adsc1-111"},{"vendor":"contec","product":"cps-mc341-adsc1-931_firmware","name":"cps-mc341-adsc1-931 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3.7.6","eol":null,"hubHref":"/vendor/contec/cps-mc341-ds1-111"},{"vendor":"contec","product":"cps-mc341-ds11-111_firmware","name":"cps-mc341-ds11-111 firmware","label":"cps-mc341-ds11-111_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 3.7.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.7.6","eol":null,"hubHref":"/vendor/contec/cps-mc341-ds11-111"},{"vendor":"contec","product":"cps-mc341-ds2-911_firmware","name":"cps-mc341-ds2-911 firmware","label":"cps-mc341-ds2-911_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 3.7.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.7.6","eol":null,"hubHref":"/vendor/contec/cps-mc341-ds2-911"},{"vendor":"contec","product":"cps-mc341g-adsc1-110_firmware","name":"cps-mc341g-adsc1-110 firmware","label":"cps-mc341g-adsc1-110_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 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firmware","label":"cps-mcs341-ds1-131_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 3.8.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.8.8","eol":null,"hubHref":"/vendor/contec/cps-mcs341-ds1-131"},{"vendor":"contec","product":"cps-mcs341g-ds1-130_firmware","name":"cps-mcs341g-ds1-130 firmware","label":"cps-mcs341g-ds1-130_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 3.8.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.8.8","eol":null,"hubHref":"/vendor/contec/cps-mcs341g-ds1-130"},{"vendor":"contec","product":"cps-mcs341g5-ds1-130_firmware","name":"cps-mcs341g5-ds1-130 firmware","label":"cps-mcs341g5-ds1-130_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 3.8.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 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